CEV model with pressure sensitive paint (PSP) test 11-0148 in the 11ft Ames wind tunnel

CEV model with pressure sensitive paint (PSP) test 11-0148 in the 11ft Ames wind tunnel

CEV model with pressure sensitive paint (PSP) test 11-0148 in the 11ft Ames wind tunnel

CEV model with pressure sensitive paint (PSP) test 11-0148 in the 11ft Ames wind tunnel

CEV model with pressure sensitive paint (PSP) test 11-0148 in the 11ft Ames wind tunnel.

CEV model with pressure sensitive paint (PSP) test 11-0148 in the 11ft Ames wind tunnel

CEV model with pressure sensitive paint (PSP) test 11-0148 in the 11ft Ames wind tunnel. Dave Maurantonio with blue LEDS.

CEV model with pressure sensitive paint (PSP) test 11-0148 in the 11ft Ames wind tunnel. Danny Ompoc preparing for testing.

CEV model with pressure sensitive paint (PSP) test 11-0148 in the 11ft Ames wind tunnel. Joe Olejniczak with blue LEDS.

CEV model with pressure sensitive paint (PSP) test 11-0148 in the 11ft Ames wind tunnel. Shown here with Paul Espinosa (l) and Tuan Truong (r) wwith blue LEDS

CEV model with pressure sensitive paint (PSP) test 11-0148 in the 11ft Ames wind tunnel. Shown here with Bruce Stroms (l) and James Bell (r).

CEV model with pressure sensitive paint (PSP) test 11-0148 in the 11ft Ames wind tunnel. Shown here with Danny Ompoc (l), Bruce Stroms (m) and James Bell (r).

CEV model with pressure sensitive paint (PSP) test 11-0148 in the 11ft Ames wind tunnel. Shown here with Bruce Stroms (l) and James Bell (r) preparing model for test, Danny Ompac and Bill Moede also shown

The United Launch Alliance (ULA) Mariner docks at Port Canaveral in Florida carrying two of the three Delta IV Heavy Common Booster Cores for NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A U.S. Air Force C-5 transport aircraft touches down at Space Coast Regional Airport in Titusville, Florida, with NASA's Parker Solar Probe spacecraft aboard. The spacecraft will be offloaded and transported to the Astrotech processing facility near the agency's Kennedy Space Center. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

Preparations are underway to offload NASA's Parker Solar Probe spacecraft, secured in its shipping container, from a U.S. Air Force C-5 transport aircraft at Space Coast Regional Airport in Titusville, Florida. The spacecraft will be transported to the Astrotech processing facility near the agency's Kennedy Space Center. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

NASA's Parker Solar Probe, secured in its shipping container, is offloaded from a U.S. Air Force C-5 transport aircraft at Space Coast Regional Airport in Titusville, Florida. The spacecraft will be transported to the Astrotech processing facility near the agency's Kennedy Space Center. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

The United Launch Alliance Delta IV Heavy common booster core arrives aboard the company's Mariner ship and prepared for offload at Port Canaveral in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

NASA's Parker Solar Probe, secured in its shipping container, has been offloaded from a U.S. Air Force C-5 transport aircraft at Space Coast Regional Airport in Titusville, Florida. The spacecraft will be transported to the Astrotech processing facility near the agency's Kennedy Space Center. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

The second stage of a United Launch Alliance Delta IV Heavy is being mated to the common booster core inside the Horizontal Integration Facility near Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

NASA's Parker Solar Probe, secured in its shipping container, arrives at the Astrotech processing facility near the agency's Kennedy Space Center in Florida. The spacecraft arrived aboard a U.S. Air Force C-5 transport aircraft at Space Coast Regional Airport in Titusville, Florida. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

Preparations are underway to offload the United Launch Alliance Delta IV Heavy common booster core from the company's Mariner ship at Port Canaveral in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A U.S. Air Force C-5 transport aircraft arrives at Space Coast Regional Airport in Titusville, Florida, with NASA's Parker Solar Probe spacecraft aboard. The spacecraft will be offloaded and transported to the Astrotech processing facility near the agency's Kennedy Space Center. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

Preparations are underway to offload the United Launch Alliance Delta IV Heavy common booster core from the company's Mariner ship at Port Canaveral in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

The United Launch Alliance (ULA) Mariner docks at Port Canaveral in Florida carrying two of the three Delta IV Heavy Common Booster Cores for NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

The United Launch Alliance Delta IV Heavy common booster core arrives aboard the company's Mariner ship at Port Canaveral in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

NASA's Parker Solar Probe, secured in its shipping container, is offloaded from a U.S. Air Force C-5 transport aircraft at Space Coast Regional Airport in Titusville, Florida. The spacecraft will be transported to the Astrotech processing facility near the agency's Kennedy Space Center. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

The United Launch Alliance Delta IV Heavy common booster core arrives aboard the company's Mariner ship at Port Canaveral in Florida. Preparations are underway to offload the booster onto a transporter. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

The United Launch Alliance Delta IV Heavy common booster core is being offloaded from the company's Mariner ship at Port Canaveral in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A forklift operator latches onto the shipping container with NASA's Parker Solar Probe inside, after it was offloaded from a U.S. Air Force C-5 transport aircraft at Space Coast Regional Airport in Titusville, Florida. The spacecraft will be transported to the Astrotech processing facility near the agency's Kennedy Space Center. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

The second stage of a United Launch Alliance Delta IV Heavy is mated to the common booster core inside the Horizontal Integration Facility near Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

NASA's Parker Solar Probe, secured in its shipping container, arrives aboard a U.S. Air Force C-5 transport aircraft at Space Coast Regional Airport in Titusville, Florida. The spacecraft will be offloaded and transported to the Astrotech processing facility near the agency's Kennedy Space Center. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

A United Launch Alliance (ULA) worker on a scissor lift watches as the second stage of a ULA Delta IV Heavy is mated to the common booster core inside the Horizontal Integration Facility near Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

The second stage of a United Launch Alliance Delta IV Heavy is being mated to the common booster core inside the Horizontal Integration Facility near Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

A United Launch Alliance (ULA) worker monitors the progress as the second stage of a ULA Delta IV Heavy is mated to the common booster core inside the Horizontal Integration Facility near Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

A U.S. Air Force C-5 transport aircraft approaches the runway for landing at Space Coast Regional Airport in Titusville, Florida, with NASA's Parker Solar Probe spacecraft aboard. The spacecraft will be offloaded and transported to the Astrotech processing facility near the agency's Kennedy Space Center. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

United Launch Alliance (ULA) workers assist as the second stage of a ULA Delta IV Heavy is mated to the common booster core inside the Horizontal Integration Facility near Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

The United Launch Alliance (ULA) Mariner arrives at Port Canaveral in Florida carrying two of the three Delta IV Heavy Common Booster Cores for NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A U.S. Air Force C-5 transport aircraft arrives at Space Coast Regional Airport in Titusville, Florida, with NASA's Parker Solar Probe spacecraft aboard. The spacecraft will be offloaded and transported to the Astrotech processing facility near the agency's Kennedy Space Center. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

United Launch Alliance (ULA) workers monitor the progress as the second stage of a ULA Delta IV Heavy is mated to the common booster core inside the Horizontal Integration Facility near Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

A United Launch Alliance Delta IV Heavy common booster core is offloaded from the company's Mariner ship at Port Canaveral in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A United Launch Alliance Delta IV Heavy common booster core is placed beside an additional core inside Cape Canaveral Air Force Station's Launch Complex 37 Horizontal Processing Facility. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A United Launch Alliance Delta IV Heavy common booster core is offloaded from the company's Mariner ship at Port Canaveral in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A United Launch Alliance Delta IV Heavy common booster core is offloaded from the company's Mariner ship at Port Canaveral in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A United Launch Alliance Delta IV Heavy common booster core arrives by truck at Cape Canaveral Air Force Station's Launch Complex 37 Horizontal Processing Facility. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A United Launch Alliance Delta IV Heavy common booster core is offloaded from the company's Mariner ship at Port Canaveral in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A United Launch Alliance Delta IV Heavy common booster core is transported by truck inside Cape Canaveral Air Force Station's Launch Complex 37 Horizontal Processing Facility. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A United Launch Alliance Delta IV Heavy common booster core arrives by truck at Cape Canaveral Air Force Station's Launch Complex 37 Horizontal Processing Facility. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

Framed by a series of cabbage palms, a United Launch Alliance Delta IV Heavy common booster core is transported by truck to Cape Canaveral Air Force Station's Launch Complex 37 Horizontal Processing Facility after arriving at Port Canaveral. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A United Launch Alliance Delta IV Heavy common booster core is transported by truck inside Cape Canaveral Air Force Station's Launch Complex 37 Horizontal Processing Facility. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A United Launch Alliance Delta IV Heavy common booster core is transported by truck to Cape Canaveral Air Force Station's Launch Complex 37 Horizontal Processing Facility after arriving at Port Canaveral. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A United Launch Alliance Delta IV Heavy common booster core is transported by truck inside Cape Canaveral Air Force Station's Launch Complex 37 Horizontal Processing Facility. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A United Launch Alliance Delta IV Heavy common booster core is transported by truck inside Cape Canaveral Air Force Station's Launch Complex 37 Horizontal Processing Facility. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A United Launch Alliance Delta IV Heavy common booster core is transported by truck into Cape Canaveral Air Force Station's Launch Complex 37 Horizontal Processing Facility. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A United Launch Alliance Delta IV Heavy common booster core is offloaded from the company's Mariner ship at Port Canaveral in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A United Launch Alliance Delta IV Heavy common booster core is transported by truck to Cape Canaveral Air Force Station's Launch Complex 37 Horizontal Processing Facility after arriving at Port Canaveral. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

A United Launch Alliance Delta IV Heavy common booster core is offloaded from the company's Mariner ship at Port Canaveral in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

Framed by a series of cabbage palms, a United Launch Alliance Delta IV Heavy common booster core is transported by truck to Cape Canaveral Air Force Station's Launch Complex 37 Horizontal Processing Facility after arriving at Port Canaveral. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection. Liftoff atop the Delta IV Heavy rocket is scheduled to take place from Cape Canaveral's Space Launch Complex 37 in summer 2018.

On Friday, Aug. 10, 2018, at Cape Canaveral Air Force Station in Florida, the Mobile Service Tower gantry begins to roll back at Space Launch Complex 37, where the United Launch Alliance Delta IV Heavy rocket now stands ready to boost NASA's Parker Solar Probe on a mission to study the Sun. Parker Solar Probe will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

At Cape Canaveral Air Force Station's Space Launch Complex 37, the United Launch Alliance Delta IV Heavy rocket with NASA's Parker Solar Probe, lifts off at 3:31 a.m. EDT on Sunday, Aug. 12, 2018. The spacecraft was built by Applied Physics Laboratory of Johns Hopkins University in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

On Friday, Aug. 10, 2018, at Cape Canaveral Air Force Station in Florida, the United Launch Alliance Delta IV Heavy rocket stands ready to boost NASA's Parker Solar Probe on a mission to study the Sun following rollback of the Mobile Service Tower gantry at Space Launch Complex 37. Parker Solar Probe will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

On Friday, Aug. 10, 2018, at Cape Canaveral Air Force Station in Florida, the United Launch Alliance Delta IV Heavy rocket that will boost NASA's Parker Solar Probe is reflected in a nearby pond during rollback of the Mobile Service Tower gantry at Space Launch Complex 37. Parker Solar Probe will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

At Cape Canaveral Air Force Station's Space Launch Complex 37, the United Launch Alliance Delta IV Heavy rocket with NASA's Parker Solar Probe, lifts off at 3:31 a.m. EDT on Sunday, Aug. 12, 2018. The spacecraft was built by Applied Physics Laboratory of Johns Hopkins University in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

The United Launch Alliance Delta IV Heavy rocket that will launch NASA’s Parker Solar Probe on a mission to study to Sun is seen as the Mobile Service Tower gantry at Space Launch Complex 37 rolls back on Friday, Aug. 10, 2018, at Cape Canaveral Air Force Station in Florida. Parker Solar Probe will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

At Cape Canaveral Air Force Station's Space Launch Complex 37, the United Launch Alliance Delta IV Heavy rocket with NASA's Parker Solar Probe, lifts off at 3:31 a.m. EDT on Sunday, Aug. 12, 2018. The spacecraft was built by Applied Physics Laboratory of Johns Hopkins University in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

At Cape Canaveral Air Force Station's Space Launch Complex 37, the United Launch Alliance Delta IV Heavy rocket with NASA's Parker Solar Probe, lifts off at 3:31 a.m. EDT on Sunday, Aug. 12, 2018. The spacecraft was built by Applied Physics Laboratory of Johns Hopkins University in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

At Cape Canaveral Air Force Station's Space Launch Complex 37, the United Launch Alliance Delta IV Heavy rocket with NASA's Parker Solar Probe, lifts off at 3:31 a.m. EDT on Sunday, Aug. 12, 2018. The spacecraft was built by Applied Physics Laboratory of Johns Hopkins University in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

At Cape Canaveral Air Force Station's Space Launch Complex 37, the United Launch Alliance Delta IV Heavy rocket with NASA's Parker Solar Probe, lifts off at 3:31 a.m. EDT on Sunday, Aug. 12, 2018. The spacecraft was built by Applied Physics Laboratory of Johns Hopkins University in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

At Cape Canaveral Air Force Station's Space Launch Complex 37, the United Launch Alliance Delta IV Heavy rocket with NASA's Parker Solar Probe, lifts off at 3:31 a.m. EDT on Sunday, Aug. 12, 2018. The spacecraft was built by Applied Physics Laboratory of Johns Hopkins University in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

On Friday, Aug. 10, 2018, at Cape Canaveral Air Force Station in Florida, the Mobile Service Tower gantry begins to roll back at Space Launch Complex 37, where the United Launch Alliance Delta IV Heavy rocket stands ready to boost NASA's Parker Solar Probe on a mission to study the Sun. Parker Solar Probe will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

On Friday, Aug. 10, 2018, at Cape Canaveral Air Force Station in Florida, the Mobile Service Tower gantry at Space Launch Complex 37 rolls away from the United Launch Alliance Delta IV Heavy rocket waiting to boost NASA's Parker Solar Probe on a mission to study the Sun. Parker Solar Probe will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

At Cape Canaveral Air Force Station's Space Launch Complex 37, the United Launch Alliance Delta IV Heavy rocket with NASA's Parker Solar Probe, lifts off at 3:31 a.m. EDT on Sunday, Aug. 12, 2018. The spacecraft was built by Applied Physics Laboratory of Johns Hopkins University in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

At Cape Canaveral Air Force Station's Space Launch Complex 37, the United Launch Alliance Delta IV Heavy rocket with NASA's Parker Solar Probe, lifts off at 3:31 a.m. EDT on Sunday, Aug. 12, 2018. The spacecraft was built by Applied Physics Laboratory of Johns Hopkins University in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

The United Launch Alliance Delta IV Heavy rocket that will launch NASA’s Parker Solar Probe on a mission to study to Sun is seen as the Mobile Service Tower gantry at Space Launch Complex 37 rolls back on Friday, Aug. 10, 2018, at Cape Canaveral Air Force Station in Florida. Parker Solar Probe will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

On Friday, Aug. 10, 2018, at Cape Canaveral Air Force Station in Florida, the United Launch Alliance Delta IV Heavy rocket stands ready to boost NASA's Parker Solar Probe on a mission to study the Sun following rollback of the Mobile Service Tower gantry at Space Launch Complex 37. Parker Solar Probe will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.On Friday, Aug. 10, 2018, at Cape Canaveral Air Force Station in Florida, the United Launch Alliance Delta IV Heavy rocket stands ready to boost NASA's Parker Solar Probe on a mission to study the Sun following rollback of the Mobile Service Tower. Parker Solar Probe will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

On Friday, Aug. 10, 2018, at Cape Canaveral Air Force Station in Florida, the United Launch Alliance Delta IV Heavy rocket that will boost NASA's Parker Solar Probe is reflected in a nearby pond during rollback of the Mobile Service Tower gantry at Space Launch Complex 37. Parker Solar Probe will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

At Cape Canaveral Air Force Station's Space Launch Complex 37, the United Launch Alliance Delta IV Heavy rocket with NASA's Parker Solar Probe, lifts off at 3:31 a.m. EDT on Sunday, Aug. 12, 2018. The spacecraft was built by Applied Physics Laboratory of Johns Hopkins University in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

At Cape Canaveral Air Force Station's Space Launch Complex 37, the United Launch Alliance Delta IV Heavy rocket with NASA's Parker Solar Probe, lifts off at 3:31 a.m. EDT on Sunday, Aug. 12, 2018. The spacecraft was built by Applied Physics Laboratory of Johns Hopkins University in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

On Friday, Aug. 10, 2018, at Cape Canaveral Air Force Station in Florida, the United Launch Alliance Delta IV Heavy rocket stands ready to boost NASA's Parker Solar Probe on a mission to study the Sun following rollback of the Mobile Service Tower gantry at Space Launch Complex 37. Parker Solar Probe will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

At Cape Canaveral Air Force Station’s Space Launch Complex 37, the United Launch Alliance Delta IV Heavy rocket with NASA's Parker Solar Probe, lifts off at 3:31 a.m. EDT on Sunday, Aug. 12, 2018. The spacecraft was built by Applied Physics Laboratory of Johns Hopkins University in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

In the Astrotech processing facility in Titusville, Florida, near NASA's Kennedy Space Center, on Monday, July 16, 2018, NASA's Parker Solar Probe is prepared for encapsulation in its payload fairing. The spacecraft is mated to its third stage, built and tested by Northrup Grumman in Chandler, Arizona. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection

At Cape Canaveral Air Force Station’s Space Launch Complex 37, the United Launch Alliance Delta IV Heavy rocket with NASA's Parker Solar Probe, lifts off at 3:31 a.m. EDT on Sunday, Aug. 12, 2018. The spacecraft was built by Applied Physics Laboratory of Johns Hopkins University in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

In the Astrotech processing facility in Titusville, Florida, near NASA's Kennedy Space Center, on Wednesday, July 11, 2018, technicians and engineers mate NASA's Parker Solar Probe to its third stage, built and tested by Northrup Grumman in Chandler Arizona. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

In the Astrotech processing facility in Titusville, Florida, near NASA's Kennedy Space Center, on Wednesday, May 23, 2018, technicians and engineers deploy the magnetometer boom on NASA's Parker Solar Probe. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida no earlier than Aug. 4, 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

In the Astrotech processing facility in Titusville, Florida, near NASA's Kennedy Space Center, on Thursday, July 19, 2018, technicians and engineers encapsulate NASA's Parker Solar Probe in its payload fairing. The spacecraft is mated to its third stage, built and tested by Northrup Grumman in Chandler, Arizona. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

In the Astrotech processing facility in Titusville, Florida, near NASA's Kennedy Space Center, on Wednesday, May 23, 2018, technicians and engineers deploy the magnetometer boom on NASA's Parker Solar Probe. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida no earlier than Aug. 4, 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

In the Astrotech processing facility in Titusville, Florida, near NASA's Kennedy Space Center, on Wednesday, June 27, 2018, technicians and engineers install the heat shield on NASA's Parker Solar Probe. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida no earlier than Aug. 4, 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

The first stage of a United Launch Alliance Delta IV Heavy rocket is prepared to be lifted vertical at the Vertical Integration Facility near Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

In the Astrotech processing facility in Titusville, Florida, near NASA's Kennedy Space Center, on Wednesday, July 11, 2018, technicians and engineers prepare to mate NASA's Parker Solar Probe to its third stage, built and tested by Northrup Grumman in Chandler Arizona. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

In the Astrotech processing facility in Titusville, Florida, near NASA's Kennedy Space Center, on Wednesday, July 11, 2018, technicians and engineers use a crane to move NASA's Parker Solar Probe into position for mating to its third stage, built and tested by Northrup Grumman in Chandler Arizona. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

Encapsulated in its payload fairing, NASA's Parker Solar Probe is prepared to be lifted for mating to a United Launch Alliance Delta IV Heavy rocket at Cape Canaveral Air Force Station's Space Launch Complex 37 on Tuesday, July 31, 2018. The Parker Solar Probe is being prepared for a mission to perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

In the Astrotech processing facility in Titusville, Florida, near NASA's Kennedy Space Center, on Wednesday, July 11, 2018, technicians and engineers mate NASA's Parker Solar Probe to its third stage, built and tested by Northrup Grumman in Chandler Arizona. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

In the Astrotech processing facility in Titusville, Florida, near NASA's Kennedy Space Center, on Tuesday, June 5, 2018, technicians and engineers perform light bar testing on NASA's Parker Solar Probe. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida no earlier than Aug. 4, 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

At Cape Canaveral Air Force Station's Space Launch Complex 37, the United Launch Alliance Delta IV Heavy rocket with NASA's Parker Solar Probe, lifts off at 3:31 a.m. EDT on Sunday, Aug. 12, 2018. The spacecraft was built by Applied Physics Laboratory of Johns Hopkins University in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

In the Kennedy Space Center's Operations and Support Building II, Thursday, Aug. 9, 2018, members of the media participate in a prelaunch mission briefing on NASA's Parker Solar Probe. Listening to the presentation is Eugene Parker, front row, far left, the S. Chandrasekhar Distinguished Service Professor Emeritus, Department of Astronomy and Astrophysics at the University of Chicago. This is the first NASA mission that has been named for a living individual. The Parker Solar Probe will lift off on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. The spacecraft was built by Applied Physics Laboratory of Johns Hopkins University in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

At Cape Canaveral Air Force Station’s Space Launch Complex 37, the United Launch Alliance Delta IV Heavy rocket with NASA's Parker Solar Probe, lifts off at 3:31 a.m. EDT on Sunday, Aug. 12, 2018. The spacecraft was built by Applied Physics Laboratory of Johns Hopkins University in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

Dr. Eugene Parker, a pioneer in heliophysics and S. Chandrasekhar distinguished service professor emeritus for the Department of Astronomy and Astrophysics at the University of Chicago, watches the launch of NASA's Parker Solar Probe. This is the first agency mission named for a living person. The liftoff took place at 3:31 a.m. EDT on Sunday, Aug. 12, 2018. The spacecraft was built by the Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

In the Astrotech processing facility in Titusville, Florida, near NASA's Kennedy Space Center, on Wednesday, May 23, 2018, technicians and engineers deploy the magnetometer boom on NASA's Parker Solar Probe. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida no earlier than Aug. 4, 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

Lighting up the night sky at Cape Canaveral Air Force Station's Space Launch Complex 37, the United Launch Alliance Delta IV Heavy rocket with NASA's Parker Solar Probe, lifts off at 3:31 a.m. EDT on Sunday, Aug. 12, 2018. The spacecraft was built by Applied Physics Laboratory of Johns Hopkins University in Laurel, Maryland. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

In the Astrotech processing facility in Titusville, Florida, near NASA's Kennedy Space Center, on Tuesday, June 5, 2018, technicians and engineers prepare NASA's Parker Solar Probe for light bar testing. The Parker Solar Probe will launch on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida no earlier than Aug. 4, 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.