
A United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, arrives at the pad at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

The Orbital ATK Cygnus pressurized cargo module is carried atop the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, will deliver 7,600 pounds of supplies, equipment and scientific research materials to the International Space Station. Liftoff was at 11:11 a.m. EDT.

The Orbital ATK Cygnus pressurized cargo module is carried atop the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh resupply services mission, CRS-7, will deliver 7,600 pounds of supplies, equipment and scientific research materials to the International Space Station. Liftoff was at 11:11 a.m. EDT.

A United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, has exited the Vertical Integration Facility for the trip to the pad at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, is transported along the road to the pad at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

The United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, stands ready for launch on the pad at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, arrives at the pad at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, has exited the Vertical Integration Facility for the trip to the pad at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, nears the pad at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

With blue sky for a background, the Orbital ATK Cygnus pressurized cargo module is carried atop the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, will deliver 7,600 pounds of supplies, equipment and scientific research materials to the International Space Station. Liftoff was at 11:11 a.m. EDT.

A United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, begins to exit the Vertical Integration Facility at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

The Orbital ATK Cygnus pressurized cargo module is carried atop the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh resupply services mission, CRS-7, will deliver 7,600 pounds of supplies, equipment and scientific research materials to the International Space Station. Liftoff was at 11:11 a.m. EDT.

A United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, is transported along the road to the pad at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, exits the Vertical Integration Facility at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

With blue sky for a background, the Orbital ATK Cygnus pressurized cargo module is carried atop the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, will deliver 7,600 pounds of supplies, equipment and scientific research materials to the International Space Station. Liftoff was at 11:11 a.m. EDT.

The United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, stands ready for launch on the pad at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, arrives at the pad at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

With blue sky for a background, the Orbital ATK Cygnus pressurized cargo module is carried atop the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, will deliver 7,600 pounds of supplies, equipment and scientific research materials to the International Space Station. Liftoff was at 11:11 a.m. EDT.

A United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, has exited the Vertical Integration Facility for the trip to the pad at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, arrives at the pad at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, begins to exit the Vertical Integration Facility at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, is transported along the road to the pad at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

The Orbital ATK Cygnus pressurized cargo module is carried atop the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, will deliver 7,600 pounds of supplies, equipment and scientific research materials to the International Space Station. Liftoff was at 11:11 a.m. EDT.

The United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, stands ready for launch on the pad at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, arrives at the pad at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

The Orbital ATK Cygnus pressurized cargo module is carried atop the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, will deliver 7,600 pounds of supplies, equipment and scientific research materials to the International Space Station. Liftoff was at 11:11 a.m. EDT.

The Orbital ATK Cygnus pressurized cargo module is carried atop the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh resupply services mission, CRS-7, will deliver 7,600 pounds of supplies, equipment and scientific research materials to the International Space Station. Liftoff was at 11:11 a.m. EDT.

The Orbital ATK Cygnus pressurized cargo module is carried atop the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh resupply services mission, CRS-7, will deliver 7,600 pounds of supplies, equipment and scientific research materials to the International Space Station. Liftoff was at 11:11 a.m. EDT.

A United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, exits the Vertical Integration Facility at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, is transported along the road to the pad at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, is scheduled to launch to the International Space Station on April 18, 2017. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

The Orbital ATK Cygnus pressurized cargo module is carried atop the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh resupply services mission, CRS-7, will deliver 7,600 pounds of supplies, equipment and scientific research materials to the International Space Station. Liftoff was at 11:11 a.m. EDT.

With blue sky for a background, the Orbital ATK Cygnus pressurized cargo module is carried atop the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK's seventh commercial resupply services mission, CRS-7, will deliver 7,600 pounds of supplies, equipment and scientific research materials to the International Space Station. Liftoff was at 11:11 a.m. EDT.

A prelaunch status briefing for Orbital ATK's seventh commercial resupply mission, CRS-7, to the International Space Station, is held at NASA Kennedy Space Center's Press Site in Florida. Participating in the briefing is Frank Culbertson, Space Systems Group president, Orbital ATK. Orbital ATK's Cygnus pressurized cargo module is set to launch atop the ULA Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A prelaunch status briefing for Orbital ATK's seventh commercial resupply mission, CRS-7, to the International Space Station, is held at NASA Kennedy Space Center's Press Site in Florida. Participating in the briefing is Vern Thorp, program manager, commercial missions, United Launch Alliance. Orbital ATK's Cygnus pressurized cargo module is set to launch atop the ULA Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A prelaunch status briefing for Orbital ATK's seventh commercial resupply mission, CRS-7, to the International Space Station, is held at NASA Kennedy Space Center's Press Site in Florida. Participating in the briefing are, from left, Tara Ruttley, Johnson Space Center Program Science Office; and David Craft, weather officer, 45th Weather Squadron. Orbital ATK's Cygnus pressurized cargo module is set to launch atop the ULA Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A prelaunch status briefing for Orbital ATK's seventh commercial resupply mission, CRS-7, to the International Space Station, is held at NASA Kennedy Space Center's Press Site in Florida. Participating in the briefing are, from left, Tara Ruttley, Johnson Space Center Program Science Office; and David Craft, weather officer, 45th Weather Squadron. Orbital ATK's Cygnus pressurized cargo module is set to launch atop the ULA Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A prelaunch status briefing for Orbital ATK's seventh commercial resupply mission, CRS-7, to the International Space Station, is held at NASA Kennedy Space Center's Press Site in Florida. Moderating the briefing is George Diller, NASA Kennedy Public Affairs. Orbital ATK's Cygnus pressurized cargo module is set to launch atop the ULA Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A prelaunch status briefing for Orbital ATK's seventh commercial resupply mission, CRS-7, to the International Space Station, is held at NASA Kennedy Space Center's Press Site in Florida. Participating in the briefing is Joel Montalbano, deputy manager, NASA International Space Station Program. Orbitall ATK's Cygnus pressurized cargo module is set to launch atop the ULA Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A prelaunch status briefing for Orbital ATK's seventh commercial resupply mission, CRS-7, to the International Space Station, is held at NASA Kennedy Space Center's Press Site in Florida. Participating in the briefing are, from left, George Diller, NASA Kennedy Public Affairs; Joel Montalbano, deputy manager, NASA International Space Station Program; Vern Thorp, program manager, commercial missions, United Launch Alliance; and Frank Culbertson, Space Systems Group president, Orbital ATK. Orbital ATK's Cygnus pressurized cargo module is set to launch atop the ULA Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

Julian Rubinfien, student winner of the Genes in Space competition, discusses his Genes in Space II winning experiment during a "What's on Board" science briefing to NASA Social participants at NASA's Kennedy Space Center in Florida. The briefing was for Orbital ATK's seventh commercial resupply services mission, CRS-7, to the International Space Station. Orbital ATK's Cygnus pressurized cargo module is set to launch on the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Liftoff is scheduled for 11:11 a.m. EDT.

Sourzv Sinha, with Oconolinx, discusses the ADCs(antibody-drug conjugates) in Microgravity experiment during a "What's on Board' science breifing to NASA Social participants at the agency's Kennedy Space Center in Florida. The briefing was for Orbital ATK's seventh commercial resupply services mission, CRS-7, to the International Space Station. Orbital ATK's Cygnus pressurized cargo module is set to launch on the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Liftoff is scheduled for 11:11 a.m. EDT.

Tara Ruttley, left, associate program scientist with NASA's Johnson Space Center in Houston, and Dr. Mike Roberts, with the Center for the Advancement of Science in Space (CASIS), speak to NASA Social participants during a "What's on Board" science briefing at the agency's Kennedy Space Center in Florida. The briefing is for Orbital ATK's seventh commercial resupply services mission, CRS-7, to the International Space Station. Orbital ATK's Cygnus pressurized cargo module is set to launch on the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Liftoff is scheduled for 11:11 a.m. EDT.

Paul Escalera, Orbital ATK staff systems engineer, speaks to NASA Social participants about the Cygnus pressurized cargo module during a "What's on Board" science briefing at the agency's Kennedy Space Center in Florida. The briefing was for Orbital ATK's seventh commercial ressuply services mission, CRS-7, to the International Space Station. Orbital ATK's Cygnus module is set to launch on the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Liftoff is scheduled for 11:11 a.m. EDT.

Henry Martin, left, external payloads coordinator with NanoRacks, and Davide Massuti, QB50 CubeSats at Von Karman Institute, talk to NASA Social participants during a science briefing at the agency's Kennedy Space Center in Florida. The briefing was for Orbital ATK's commercial resupply services mission, CRS-7, to the International Space Station. Orbital ATK's Cygnus pressurized cargo module is set to launch on the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Liftoff is scheduled for 11:11 a.m. EDT.

NASA Social participants attend a "What's on Board" science briefing at the agency's Kennedy Space Center in Florida. Joe Fust, mission integrator for United Launch Alliance, gives an overview of the Atlas V rocket that will launch the Orbital ATK Cygnus pressurized cargo module to the International Space Station. The briefing is for Orbital ATK's seventh commercial resupply services mission, CRS-7, to the space station. Orbital ATK's Cygnus module is set to launch on the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Liftoff is scheduled for 11:11 a.m. EDT.

An example of the Genes in Space II winning student experiment is on display during a "What's on Board" science briefing to NASA Social participants at the agency's Kennedy Space Center in Florida. The briefing was for Orbital ATK's seventh commercial resupply services mission, CRS-7, to the International Space station. Orbital ATK's Cygnus pressurized cargo module is set to launch on the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Liftoff is scheduled for 11:11 a.m. EDT.

Tara Ruttley, associate program scientist with NASA's Johnson Space Center in Houston, speaks to participants during a NASA Social "What's on Board" briefing at the agency's Kennedy Space Center in Florida, for Orbital ATK's seventh commercial resupply services mission, CRS-7, to the International Space Station. Orbital ATK's Cygnus pressurized cargo module is set to launch on the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Liftoff is scheduled for 11:11 a.m. EDT.

NASA Social participants attend a "What's on Board" science, research and technology briefing at NASA's Kennedy Space Center in Florida, for Orbital ATK's seventh commercial resupply services mission, CRS-7, to the International Space Station. Participants discussed some of the science launching to the space station, including the Advanced Plant Habitat, 3-D cell tools, and CubeSats set to deploy from space. Orbital ATK's Cygnus pressurized cargo module is set to launch on the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Liftoff is scheduled for 11:11 a.m. EDT.

Bryan Onate, program manager, at NASA's Kennedy Space Center in Florida, discusses the Advanced Plant Habitat during a "What's on Board" science briefing to NASA Social participants at Kennedy. The briefing is for Orbital ATK's seventh commercial resupply services mission, CRS-7, to the International Space Station. Orbital ATK's Cygnus pressurized cargo module is set to launch on the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Liftoff is scheduled for 11:11 a.m. EDT.

Julian Rubinfien, student Genes in Space II winner, explains his experiment during a "What's on Board" science briefing to NASA Social participants at the agency's Kennedy Space Center in Florida. The briefing was for Orbital ATK's seventh commercial resupply services mission, CRS-7, to the International Space Station. Orbital ATK's Cygnus pressurized cargo module is set to launch on the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Liftoff is scheduled for 11:11 a.m. EDT.

From left, Dr. Howard Levine, project specialist, and Bryan Onate, program manager, at NASA's Kennedy Space Center in Florida, discusses the Advanced Plant Habitat during a "What's on Board" science briefing to NASA Social participants at Kennedy. The briefing is for Orbital ATK's seventh commercial resupply services mission, CRS-7, to the International Space Station. Orbital ATK's Cygnus pressurized cargo module is set to launch on the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Liftoff is scheduled for 11:11 a.m. EDT.

Henry Martin, left, external payloads coordinator with NanoRacks, and Davide Massuti, QB50 CubeSats at Von Karman Institute, talk to NASA Social participants during a science briefing at the agency's Kennedy Space Center in Florida. The briefing was for Orbital ATK's commercial resupply services mission, CRS-7, to the International Space Station. Orbital ATK's Cygnus pressurized cargo module is set to launch on the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Liftoff is scheduled for 11:11 a.m. EDT.

NASA Social participants attend a "What's on Board" science briefing at the agency's Kennedy Space Center in Florida. Joe Fust, mission integrator for United Launch Alliance, gives an overview of the Atlas V rocket that will launch the Orbital ATK Cygnus pressurized cargo module to the International Space Station. The briefing is for Orbital ATK's seventh commercial resupply services mission, CRS-7, to the space station. Orbital ATK's Cygnus module is set to launch on the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Liftoff is scheduled for 11:11 a.m. EDT.

Dr. Sebastian Kraves, at right, co-founder of Genes in Space, discusses the winning experiment for Genes in Space II, during a "What's on Board" science briefing to NASA Social participants at the agency's Kennedy Space Center in Florida. At left is Julian Rubinfien, the student winner of this year's Genes in Space competition. The briefing was for Orbital ATK's seventh commercial resupply services missions, CRS-7, to the International Space Station. Orbital ATK's Cygnus pressurized cargo module is set to launch on the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Liftoff is scheduled for 11:11 a.m. EDT.

Members of the media listen to a prelaunch status briefing for Orbital ATK's seventh commercial resupply mission, CRS-7, to the International Space Station, at NASA Kennedy Space Center's Press Site in Florida. Moderating the briefing is George Diller, NASA Kennedy Public Affairs. Participants in the briefing are Joel Montalbano, deputy manager, NASA International Space Station Program; Vern Thorp, program manager, commercial missions, United Launch Alliance; Frank Culbertson, Space Systems Group president, Orbital ATK; Tara Ruttley, Johnson Space Center Program Science Office; and David Craft, weather officer, 45th Weather Squadron. Orbital ATK's Cygnus pressurized cargo module is set to launch atop the ULA Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A prelaunch status briefing for Orbital ATK's seventh commercial resupply mission, CRS-7, to the International Space Station, is held at NASA Kennedy Space Center's Press Site in Florida. Participating in the briefing are, from left, George Diller, NASA Kennedy Public Affairs; Joel Montalbano, deputy manager, NASA International Space Station Program; Vern Thorp, program manager, commercial missions, United Launch Alliance; Frank Culbertson, Space Systems Group president, Orbital ATK; Tara Ruttley, Johnson Space Center Program Science Office; and David Craft, weather officer, 45th Weather Squadron. Orbital ATK's Cygnus pressurized cargo module is set to launch atop the ULA Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

A prelaunch status briefing for Orbital ATK's seventh commercial resupply mission, CRS-7, to the International Space Station, is held at NASA Kennedy Space Center's Press Site in Florida. Participating in the briefing are, from left, George Diller, NASA Kennedy Public Affairs; Joel Montalbano, deputy manager, NASA International Space Station Program; Vern Thorp, program manager, commercial missions, United Launch Alliance; Frank Culbertson, Space Systems Group president, Orbital ATK; Tara Ruttley, Johnson Space Center Program Science Office; and David Craft, weather officer, 45th Weather Squadron. Orbital ATK's Cygnus pressurized cargo module is set to launch atop the ULA Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station. Liftoff is scheduled for 11:11 a.m. EDT.

At the conclusion of the Orbital ATK CRS-7 post-launch press conference, moderator George Diller, second from left, NASA Kennedy Communications; shakes hands with Joel Montalbano, deputy manager, International Space Station Program, NASA Johnson Space Center in Houston. Also with them are Frank Culbertson, president, Orbital ATK Space Systems Group; and Vern Thorp, program manager, commercial missions, United Launch Alliance. A United Launch Alliance Atlas V rocket lifted off from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying Orbital ATK's Cygnus pressurized cargo module. It is Orbital ATK's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT.

Sealed in its shipping container, the ground support equipment for the Orbital ATK OA-7 commercial resupply services mission was moved inside the low bay of the Space Station Processing Facility at NASA's Kennedy Space Center in Florida. The Orbital ATK CRS-7 with the Cygnus cargo module will lift off atop a United Launch Alliance Atlas V rocket from Space launch Complex 41 at Cape Canaveral Air Force Station. The commercial resupply services mission to the International Space Station will deliver thousands of pounds of supplies, equipment and scientific research materials that improve life on Earth and drive progress toward future space exploration.

Inside the Space Station Processing Facility low bay at NASA’s Kennedy Space Center in Florida, technicians use a crane to lift the cover off ground support equipment for the Orbital ATK OA-7 commercial resupply services mission. The Orbital ATK CRS-7 with the Cygnus cargo module will lift off atop a United Launch Alliance Atlas V rocket from Space launch Complex 41 at Cape Canaveral Air Force Station. The commercial resupply services mission to the International Space Station will deliver thousands of pounds of supplies, equipment and scientific research materials that improve life on Earth and drive progress toward future space exploration.

Sealed in its shipping container, the ground support equipment for the Orbital ATK OA-7 commercial resupply services mission has arrived at the Space Station Processing Facility at NASA's Kennedy Space Center in Florida. The container will be moved inside the low bay of the facility. The Orbital ATK CRS-7 with the Cygnus cargo module will lift off atop a United Launch Alliance Atlas V rocket from Space launch Complex 41 at Cape Canaveral Air Force Station. The commercial resupply services mission to the International Space Station will deliver thousands of pounds of supplies, equipment and scientific research materials that improve life on Earth and drive progress toward future space exploration.

Sealed in its shipping container, the ground support equipment for the Orbital ATK OA-7 commercial resupply services mission has arrived at the Space Station Processing Facility at NASA's Kennedy Space Center in Florida. The container will be moved inside the low bay of the facility. The Orbital ATK CRS-7 with the Cygnus cargo module will lift off atop a United Launch Alliance Atlas V rocket from Space launch Complex 41 at Cape Canaveral Air Force Station. The commercial resupply services mission to the International Space Station will deliver thousands of pounds of supplies, equipment and scientific research materials that improve life on Earth and drive progress toward future space exploration.

Inside the Space Station Processing Facility low bay at NASA’s Kennedy Space Center in Florida, technicians use a crane to lift the cover off ground support equipment for the Orbital ATK OA-7 commercial resupply services mission. The Orbital ATK CRS-7 with the Cygnus cargo module will lift off atop a United Launch Alliance Atlas V rocket from Space launch Complex 41 at Cape Canaveral Air Force Station. The commercial resupply services mission to the International Space Station will deliver thousands of pounds of supplies, equipment and scientific research materials that improve life on Earth and drive progress toward future space exploration.

A United Launch Alliance Atlas V rocket soars updward after a liftoff at 11:11 a.m. EDT from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

A United Launch Alliance Atlas V rocket lifts off at 11:11 a.m. EDT from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

A United Launch Alliance Atlas V rocket soars updward after a liftoff at 11:11 a.m. EDT from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

A United Launch Alliance Atlas V rocket lifts off at 11:11 a.m. EDT from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

A United Launch Alliance Atlas V rocket lifts off at 11:11 a.m. EDT from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

Social media guests watch a United Launch Alliance Atlas V rocket soar upward after lliftoff at 11:11 a.m. EDT from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

Against the backdrop of a bright blue sky, a United Launch Alliance Atlas V soars upward after liftoff from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

Against the backdrop of a bright blue sky, a United Launch Alliance Atlas V rocket soars upward after liftoff from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

A United Launch Alliance Atlas V rocket lifts off at 11:11 a.m. EDT from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

A United Launch Alliance Atlas V rocket lifts off at 11:11 a.m. EDT from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

A United Launch Alliance Atlas V rocket lifts off at 11:11 a.m. EDT from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

Against the backdrop of a bright blue sky, a United Launch Alliance Atlas V rocket soars upward after liftoff from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

Against the backdrop of a bright blue sky, a United Launch Alliance Atlas V rocket lifts off from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

Against the backdrop of a bright blue sky, a United Launch Alliance Atlas V soars upward after liftoff from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

Against the backdrop of a bright blue sky, a United Launch Alliance Atlas V rocket lifts off from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

Against the backdrop of a bright blue sky, a United Launch Alliance Atlas V rocket soars upward after liftoff from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

A United Launch Alliance Atlas V rocket lifts off at 11:11 a.m. EDT from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

Against the backdrop of a bright blue sky, a United Launch Alliance Atlas V rocket lifts off from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

Against the backdrop of a bright blue sky, a United Launch Alliance Atlas V rocket lifts off from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

A United Launch Alliance Atlas V rocket soars upward after liftoff at 11:11 a.m. EDT from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

A United Launch Alliance Atlas V rocket lifts off at 11:11 a.m. EDT from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

Against the backdrop of a bright blue sky, a United Launch Alliance Atlas V rocket lifts off from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

Against the backdrop of a bright blue sky, a United Launch Alliance Atlas V rocket lifts off from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

Against the backdrop of a bright blue sky, a United Launch Alliance Atlas V rocket lifts off from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

A United Launch Alliance Atlas V rocket lifts off at 11:11 a.m. EDT from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

A United Launch Alliance Atlas V rocket lifts off at 11:11 a.m. EDT from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

A United Launch Alliance Atlas V rocket lifts off at 11:11 a.m. EDT from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

Against the backdrop of a bright blue sky, a United Launch Alliance Atlas V soars upward after liftoff from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

A United Launch Alliance Atlas V rocket lifts off at 11:11 a.m. EDT from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, carrying the Orbital ATK Cygnus pressurized cargo module on the company's seventh commercial resupply services mission to the International Space Station. Cygnus will deliver 7,600 pounds of supplies, equipment and scientific research materials to the space station.

Still sealed in its environmentally controlled shipping container, the Orbital ATK OA-7 Cygnus spacecraft's pressurized cargo module (PCM) has arrived inside the Space Station Processing Facility at NASA's Kennedy Space Center in Florida. Once the Cygnus spacecraft is removed from its shipping container, engineers and technicians will begin preparing for launch scheduled for March 2017. Orbital ATK CRS-7 will lift off atop a United Launch Alliance Atlas V rocket from Space launch Complex 41 at Cape Canaveral Air Force Station. The commercial resupply services mission to the International Space Station will deliver thousands of pounds of supplies, equipment and scientific research materials that improve life on Earth and drive progress toward future space exploration.

Still sealed in its environmentally controlled shipping container, the Orbital ATK OA-7 Cygnus spacecraft's pressurized cargo module (PCM) has arrived inside the Space Station Processing Facility at NASA's Kennedy Space Center in Florida. Once the Cygnus spacecraft is removed from its shipping container, engineers and technicians will begin preparing for launch scheduled for March 2017. Orbital ATK CRS-7 will lift off atop a United Launch Alliance Atlas V rocket from Space launch Complex 41 at Cape Canaveral Air Force Station. The commercial resupply services mission to the International Space Station will deliver thousands of pounds of supplies, equipment and scientific research materials that improve life on Earth and drive progress toward future space exploration.

Members of the news media attend a press conference at NASA's Kennedy Space Center in Florida, after the launch of the Orbital ATK Cygnus pressurized cargo module atop a United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station. It was Orbital ATK's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Speaking to the media are, from left, George Diller, NASA Kennedy Communications; Joel Montalbano, deputy manager, International Space Station Program, NASA Johnson Space Center in Houston; and Frank Culbertson, president, Orbital ATK Space Systems Group.

Members of the news media attend a press conference at NASA's Kennedy Space Center in Florida, after the launch of the Orbital ATK Cygnus pressurized cargo module atop a United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station. It was Orbital ATK's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Speaking to the media are, from left, George Diller, NASA Kennedy Communications; Joel Montalbano, deputy manager, International Space Station Program, NASA Johnson Space Center in Houston; Frank Culbertson, president, Orbital ATK Space Systems Group; and Vern Thorp, program manager, commercial missions, United Launch Alliance.

Members of the news media attend a press conference at NASA's Kennedy Space Center in Florida, after the launch of the Orbital ATK Cygnus pressurized cargo module atop a United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station. It was Orbital ATK's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Speaking to the media are, from left, George Diller, NASA Kennedy Communications; Joel Montalbano, deputy manager, International Space Station Program, NASA Johnson Space Center in Houston; Frank Culbertson, president, Orbital ATK Space Systems Group; and Vern Thorp, program manager, commercial missions, United Launch Alliance.

Members of the news media attend a press conference at NASA's Kennedy Space Center in Florida, after the launch of the Orbital ATK Cygnus pressurized cargo module atop a United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station. It was Orbital ATK's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Moderating the press conference is George Diller, NASA Kennedy Communications.

Members of the news media attend a press conference at NASA's Kennedy Space Center in Florida, after the launch of the Orbital ATK Cygnus pressurized cargo module atop a United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station. It was Orbital ATK's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Speaking to the media is Joel Montalbano, deputy manager, International Space Station Program, NASA Johnson Space Center in Houston.

Members of the news media attend a press conference at NASA's Kennedy Space Center in Florida, after the launch of the Orbital ATK Cygnus pressurized cargo module atop a United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station. It was Orbital ATK's seventh commercial resupply services mission to the International Space Station. Liftoff was at 11:11 a.m. EDT. Speaking to the media is Vern Thorp, program manager, commercial missions, United Launch Alliance.