The Orbital Sciences Corporation Antares rocket is seen on the Mid-Atlantic Regional Spaceport (MARS) Pad-0A at the NASA Wallops Flight Facility, Friday, April 19, 2013 in Virginia. NASA's commercial space partner, Orbital Sciences Corporation, is scheduled to test launch its first Antares on Saturday, April 20, 2013. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen during sunrise on the Mid-Atlantic Regional Spaceport (MARS) Pad-0A at the NASA Wallops Flight Facility in Virginia, Sunday, April 21, 2013. NASA's commercial space partner, Orbital Sciences Corporation, is scheduled to test launch its first Antares later in the day. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen as it launches from Pad-0A of the Mid-Atlantic Regional Spaceport (MARS) at the NASA Wallops Flight Facility in Virginia, Sunday, April 21, 2013. The test launch marked the first flight of Antares and the first rocket launch from Pad-0A. The Antares rocket delivered the equivalent mass of a spacecraft, a so-called mass simulated payload, into Earth's orbit. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen as it launches from Pad-0A of the Mid-Atlantic Regional Spaceport (MARS) at the NASA Wallops Flight Facility in Virginia, Sunday, April 21, 2013. The test launch marked the first flight of Antares and the first rocket launch from Pad-0A. The Antares rocket delivered the equivalent mass of a spacecraft, a so-called mass simulated payload, into Earth's orbit. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen on the Mid-Atlantic Regional Spaceport (MARS) Pad-0A at the NASA Wallops Flight Facility in Virginia, Saturday, April 20, 2013. NASA's commercial space partner, Orbital Sciences Corporation, is scheduled to test launch its first Antares later in the day. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen as it launches from Pad-0A of the Mid-Atlantic Regional Spaceport (MARS) at the NASA Wallops Flight Facility in Virginia, Sunday, April 21, 2013. The test launch marked the first flight of Antares and the first rocket launch from Pad-0A. The Antares rocket delivered the equivalent mass of a spacecraft, a so-called mass simulated payload, into Earth's orbit. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen on the Mid-Atlantic Regional Spaceport (MARS) Pad-0A at the NASA Wallops Flight Facility, Friday, April 19, 2013 in Virginia. NASA's commercial space partner, Orbital Sciences Corporation, is scheduled to test launch its first Antares on Saturday, April 20, 2013. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen as it launches from Pad-0A of the Mid-Atlantic Regional Spaceport (MARS) at the NASA Wallops Flight Facility in Virginia, Sunday, April 21, 2013. The test launch marked the first flight of Antares and the first rocket launch from Pad-0A. The Antares rocket delivered the equivalent mass of a spacecraft, a so-called mass simulated payload, into Earth's orbit. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen as it launches from Pad-0A of the Mid-Atlantic Regional Spaceport (MARS) at the NASA Wallops Flight Facility in Virginia, Sunday, April 21, 2013. The test launch marked the first flight of Antares and the first rocket launch from Pad-0A. The Antares rocket delivered the equivalent mass of a spacecraft, a so-called mass simulated payload, into Earth's orbit. Photo Credit: (NASA/Bill Ingalls)

Fog rolls in as the Orbital Sciences Corporation Antares rocket is seen on the Mid-Atlantic Regional Spaceport (MARS) Pad-0A at the NASA Wallops Flight Facility, Friday, April 19, 2013 in Virginia. NASA's commercial space partner, Orbital Sciences Corporation, is scheduled to test launch its first Antares on Saturday, April 20, 2013. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen on the Mid-Atlantic Regional Spaceport (MARS) Pad-0A at the NASA Wallops Flight Facility in Virginia, Saturday, April 20, 2013. NASA's commercial space partner, Orbital Sciences Corporation, is scheduled to test launch its first Antares later in the day. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen as it launches from Pad-0A of the Mid-Atlantic Regional Spaceport (MARS) at the NASA Wallops Flight Facility in Virginia, Sunday, April 21, 2013. The test launch marked the first flight of Antares and the first rocket launch from Pad-0A. The Antares rocket delivered the equivalent mass of a spacecraft, a so-called mass simulated payload, into Earth's orbit. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen on the Mid-Atlantic Regional Spaceport (MARS) Pad-0A at the NASA Wallops Flight Facility in Virginia, Saturday, April 20, 2013. NASA's commercial space partner, Orbital Sciences Corporation, is scheduled to test launch its first Antares later in the day. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen during sunrise on the Mid-Atlantic Regional Spaceport (MARS) Pad-0A at the NASA Wallops Flight Facility in Virginia, Sunday, April 21, 2013. NASA's commercial space partner, Orbital Sciences Corporation, is scheduled to test launch its first Antares later in the day. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen during sunrise on the Mid-Atlantic Regional Spaceport (MARS) Pad-0A at the NASA Wallops Flight Facility in Virginia, Sunday, April 21, 2013. NASA's commercial space partner, Orbital Sciences Corporation, is scheduled to test launch its first Antares later in the day. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen as it launches from Pad-0A of the Mid-Atlantic Regional Spaceport (MARS) at the NASA Wallops Flight Facility in Virginia, Sunday, April 21, 2013. The test launch marked the first flight of Antares and the first rocket launch from Pad-0A. The Antares rocket delivered the equivalent mass of a spacecraft, a so-called mass simulated payload, into Earth's orbit. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen as it launches from Pad-0A of the Mid-Atlantic Regional Spaceport (MARS) at the NASA Wallops Flight Facility in Virginia, Sunday, April 21, 2013. The test launch marked the first flight of Antares and the first rocket launch from Pad-0A. The Antares rocket delivered the equivalent mass of a spacecraft, a so-called mass simulated payload, into Earth's orbit. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen during sunrise on the Mid-Atlantic Regional Spaceport (MARS) Pad-0A at the NASA Wallops Flight Facility in Virginia, Sunday, April 21, 2013. NASA's commercial space partner, Orbital Sciences Corporation, is scheduled to test launch its first Antares later in the day. Photo Credit: (NASA/Bill Ingalls)

NASA Deputy Administrator Lori Garver and other guests react after having watched the successful launch of the Orbital Sciences Corporation Antares rocket from the Mid-Atlantic Regional Spaceport (MARS) at the NASA Wallops Flight Facility in Virginia, Sunday, April 21, 2013. The test launch marked the first flight of Antares and the first rocket launch from Pad-0A. The Antares rocket delivered the equivalent mass of a spacecraft, a so-called mass simulated payload, into Earth's orbit. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen during sunrise on the Mid-Atlantic Regional Spaceport (MARS) Pad-0A at the NASA Wallops Flight Facility in Virginia, Sunday, April 21, 2013. NASA's commercial space partner, Orbital Sciences Corporation, is scheduled to test launch its first Antares later in the day. Photo Credit: (NASA/Bill Ingalls)

The Orbital Sciences Corporation Antares rocket is seen as it launches from Pad-0A of the Mid-Atlantic Regional Spaceport (MARS) at the NASA Wallops Flight Facility in Virginia, Sunday, April 21, 2013. The test launch marked the first flight of Antares and the first rocket launch from Pad-0A. The Antares rocket delivered the equivalent mass of a spacecraft, a so-called mass simulated payload, into Earth's orbit. Photo Credit: (NASA/Bill Ingalls)

The doors of the gantry support structure are opened to reveal the Minotaur V rocket on Pad 0B at the Mid-Atlantic Regional Spaceport (MARS) at NASA's Wallops Flight Facility, Friday, Sept. 6, 2013 in Virginia. The Minotaur V will launch NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE). LADEE is a robotic mission that will orbit the moon where it will provide unprecedented information about the environment around the moon and give scientists a better understanding of other planetary bodies in our solar system and beyond. LADEE is scheduled to launch at 11:27 p.m. Friday, Sept. 6, from NASA's Wallops Flight Facility. Photo Credit: (NASA/Carla Cioffi)

The doors of the gantry support structure are opened to reveal the Minotaur V rocket on Pad 0B at the Mid-Atlantic Regional Spaceport (MARS) at NASA's Wallops Flight Facility, Friday, Sept. 6, 2013 in Virginia. The Minotaur V will launch NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE). LADEE is a robotic mission that will orbit the moon where it will provide unprecedented information about the environment around the moon and give scientists a better understanding of other planetary bodies in our solar system and beyond. LADEE is scheduled to launch at 11:27 p.m. Friday, Sept. 6, from NASA's Wallops Flight Facility. Photo Credit: (NASA/Carla Cioffi)

NASA Administrator Charles Bolden and NASA Deputy Administrator Lori Garver and other guests react after having watched the successful launch of the Orbital Sciences Corporation Antares rocket from the Mid-Atlantic Regional Spaceport (MARS) at the NASA Wallops Flight Facility in Virginia, Sunday, April 21, 2013. The test launch marked the first flight of Antares and the first rocket launch from Pad-0A. The Antares rocket delivered the equivalent mass of a spacecraft, a so-called mass simulated payload, into Earth's orbit. Photo Credit: (NASA/Bill Ingalls)

The doors of the gantry support structure are opened to reveal the Minotaur V rocket on Pad 0B at the Mid-Atlantic Regional Spaceport (MARS) at NASA's Wallops Flight Facility, Friday, Sept. 6, 2013 in Virginia. The Minotaur V will launch NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE). LADEE is a robotic mission that will orbit the moon where it will provide unprecedented information about the environment around the moon and give scientists a better understanding of other planetary bodies in our solar system and beyond. LADEE is scheduled to launch at 11:27 p.m. Friday, Sept. 6, from NASA's Wallops Flight Facility. Photo Credit: (NASA/Carla Cioffi)

The doors of the gantry support structure are opened to reveal the Minotaur V rocket on Pad 0B at the Mid-Atlantic Regional Spaceport (MARS) at NASA's Wallops Flight Facility, Friday, Sept. 6, 2013 in Virginia. The Minotaur V will launch NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE). LADEE is a robotic mission that will orbit the moon where it will provide unprecedented information about the environment around the moon and give scientists a better understanding of other planetary bodies in our solar system and beyond. LADEE is scheduled to launch at 11:27 p.m. Friday, Sept. 6, from NASA's Wallops Flight Facility. Photo Credit: (NASA/Carla Cioffi)

The doors of the gantry support structure are opened to reveal the Minotaur V rocket on Pad 0B at the Mid-Atlantic Regional Spaceport (MARS) at NASA's Wallops Flight Facility, Friday, Sept. 6, 2013 in Virginia. The Minotaur V will launch NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE). LADEE is a robotic mission that will orbit the moon where it will provide unprecedented information about the environment around the moon and give scientists a better understanding of other planetary bodies in our solar system and beyond. LADEE is scheduled to launch at 11:27 p.m. Friday, Sept. 6, from NASA's Wallops Flight Facility. Photo Credit: (NASA/Carla Cioffi)

The doors of the gantry support structure are opened to reveal the Minotaur V rocket on Pad 0B at the Mid-Atlantic Regional Spaceport (MARS) at NASA's Wallops Flight Facility, Friday, Sept. 6, 2013 in Virginia. The Minotaur V will launch NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE). LADEE is a robotic mission that will orbit the moon where it will provide unprecedented information about the environment around the moon and give scientists a better understanding of other planetary bodies in our solar system and beyond. LADEE is scheduled to launch at 11:27 p.m. Friday, Sept. 6, from NASA's Wallops Flight Facility. Photo Credit: (NASA/Carla Cioffi)

NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE) observatory launches aboard the Minotaur V rocket from the Mid-Atlantic Regional Spaceport (MARS) at NASA's Wallops Flight Facility, Friday, Sept. 6, 2013 in Virginia. LADEE is a robotic mission that will orbit the moon where it will provide unprecedented information about the environment around the moon and give scientists a better understanding of other planetary bodies in our solar system and beyond. Photo Credit: (NASA/Carla Cioffi)

NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE) observatory launches aboard the Minotaur V rocket from the Mid-Atlantic Regional Spaceport (MARS) at NASA's Wallops Flight Facility, Friday, Sept. 6, 2013 in Virginia. LADEE is a robotic mission that will orbit the moon where it will provide unprecedented information about the environment around the moon and give scientists a better understanding of other planetary bodies in our solar system and beyond. Photo Credit: (NASA/Carla Cioffi)

Mid-Atlantic Regional Spaceport (MARS) staff, their families, and other visitors watch the launch of the Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, Saturday, Feb. 15, 2020 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 13th contracted cargo resupply mission for NASA to the International Space Station will deliver more than 7,500 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Aubrey Gemignani)

NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE) observatory launches aboard the Minotaur V rocket from the Mid-Atlantic Regional Spaceport (MARS) at NASA's Wallops Flight Facility, Friday, Sept. 6, 2013 in Virginia. LADEE is a robotic mission that will orbit the moon where it will provide unprecedented information about the environment around the moon and give scientists a better understanding of other planetary bodies in our solar system and beyond. Photo Credit: (NASA/Carla Cioffi)

NASA Administrator Charles Bolden congratulates the Orbital Sciences Corporation launch team and management in the Range Control Center at the NASA Wallops Flight Facility after the successful launch of the Orbital Sciences Antares rocket from the Mid-Atlantic Regional Spaceport (MARS) in Virginia, Sunday, April 21, 2013. The test launch marked the first flight of Antares and the first rocket launch from Pad-0A. The Antares rocket delivered the equivalent mass of a spacecraft, a so-called mass simulated payload, into Earth's orbit. Photo Credit: (NASA/Bill Ingalls)

NASA Deputy Administrator Lori Garver talks with CEO and President of Orbital Sciences Corporation David Thompson, left, Executive Vice President and Chief Technical Officer, Orbital Sciences Corporation Antonio Elias, second from left, and Executive Director, Va. Commercial Space Flight Authority Dale Nash, background, in the Range Control Center at the NASA Wallops Flight Facility after the successful launch of the Orbital Sciences Antares rocket from the Mid-Atlantic Regional Spaceport (MARS) in Virginia, Sunday, April 21, 2013. The test launch marked the first flight of Antares and the first rocket launch from Pad-0A. The Antares rocket delivered the equivalent mass of a spacecraft, a so-called mass simulated payload, into Earth's orbit. Photo Credit: (NASA/Bill Ingalls)

ISS037-E-001901 (18 Sept. 2013) --- In the International Space Station’s Destiny laboratory, Russian cosmonaut Fyodor Yurchikhin (right), Expedition 37 commander; and European Space Agency astronaut Luca Parmitano, flight engineer, watch the launch of the Orbital Sciences Corporation Antares rocket, with the Cygnus cargo spacecraft aboard, from Pad-0A of the Mid-Atlantic Regional Spaceport (MARS) NASA Wallops Flight Facility, Virginia. Cygnus is on its way to rendezvous with the space station and will deliver about 1,300 pounds (589 kilograms) of cargo, including food and clothing, to the Expedition 37 crew.

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to launch Pad-0A at NASA's Wallops Flight Facility, Sunday, January 5, 2014 in advance of a planned Wednesday, Jan. 8th, 1:32 p.m. EST launch, Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is Orbital Sciences' first contracted cargo delivery flight to the space station for NASA. Among the cargo aboard Cygnus set to launch to the space station are science experiments, crew provisions, spare parts and other hardware. Photo Credit: (NASA/Bill Ingalls)

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to launch Pad-0A at NASA's Wallops Flight Facility, Sunday, January 5, 2014 in advance of a planned Wednesday, Jan. 8th, 1:32 p.m. EST launch, Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is Orbital Sciences' first contracted cargo delivery flight to the space station for NASA. Among the cargo aboard Cygnus set to launch to the space station are science experiments, crew provisions, spare parts and other hardware. Photo Credit: (NASA/Bill Ingalls)

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to launch Pad-0A at NASA's Wallops Flight Facility, Sunday, January 5, 2014 in advance of a planned Wednesday, Jan. 8th, 1:32 p.m. EST launch, Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is Orbital Sciences' first contracted cargo delivery flight to the space station for NASA. Among the cargo aboard Cygnus set to launch to the space station are science experiments, crew provisions, spare parts and other hardware. Photo Credit: (NASA/Bill Ingalls)

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to launch Pad-0A at NASA's Wallops Flight Facility, Sunday, January 5, 2014 in advance of a planned Wednesday, Jan. 8th, 1:32 p.m. EST launch, Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is Orbital Sciences' first contracted cargo delivery flight to the space station for NASA. Among the cargo aboard Cygnus set to launch to the space station are science experiments, crew provisions, spare parts and other hardware. Photo Credit: (NASA/Bill Ingalls)

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to launch Pad-0A at NASA's Wallops Flight Facility, Sunday, January 5, 2014 in advance of a planned Wednesday, Jan. 8th, 1:32 p.m. EST launch, Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is Orbital Sciences' first contracted cargo delivery flight to the space station for NASA. Among the cargo aboard Cygnus set to launch to the space station are science experiments, crew provisions, spare parts and other hardware. Photo Credit: (NASA/Bill Ingalls)

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to launch Pad-0A at NASA's Wallops Flight Facility, Sunday, January 5, 2014 in advance of a planned Wednesday, Jan. 8th, 1:32 p.m. EST launch, Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is Orbital Sciences' first contracted cargo delivery flight to the space station for NASA. Among the cargo aboard Cygnus set to launch to the space station are science experiments, crew provisions, spare parts and other hardware. Photo Credit: (NASA/Bill Ingalls)

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to launch Pad-0A at NASA's Wallops Flight Facility, Sunday, January 5, 2014 in advance of a planned Wednesday, Jan. 8th, 1:32 p.m. EST launch, Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is Orbital Sciences' first contracted cargo delivery flight to the space station for NASA. Among the cargo aboard Cygnus set to launch to the space station are science experiments, crew provisions, spare parts and other hardware. Photo Credit: (NASA/Bill Ingalls)

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to launch Pad-0A at NASA's Wallops Flight Facility, Sunday, January 5, 2014 in advance of a planned Wednesday, Jan. 8th, 1:32 p.m. EST launch, Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is Orbital Sciences' first contracted cargo delivery flight to the space station for NASA. Among the cargo aboard Cygnus set to launch to the space station are science experiments, crew provisions, spare parts and other hardware. Photo Credit: (NASA/Bill Ingalls)

Visitors pose with the countdown clock before the launch of the Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, Saturday, Feb. 15, 2020 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 13th contracted cargo resupply mission for NASA to the International Space Station will deliver more than 7,500 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Aubrey Gemignani)

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to launch Pad-0A at NASA's Wallops Flight Facility, Sunday, January 5, 2014 in advance of a planned Wednesday, Jan. 8th, 1:32 p.m. EST launch, Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is Orbital Sciences' first contracted cargo delivery flight to the space station for NASA. Among the cargo aboard Cygnus set to launch to the space station are science experiments, crew provisions, spare parts and other hardware. Photo Credit: (NASA/Bill Ingalls)

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to launch Pad-0A at NASA's Wallops Flight Facility, Sunday, January 5, 2014 in advance of a planned Wednesday, Jan. 8th, 1:32 p.m. EST launch, Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is Orbital Sciences' first contracted cargo delivery flight to the space station for NASA. Among the cargo aboard Cygnus set to launch to the space station are science experiments, crew provisions, spare parts and other hardware. Photo Credit: (NASA/Bill Ingalls)

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to launch Pad-0A at NASA's Wallops Flight Facility, Sunday, January 5, 2014 in advance of a planned Wednesday, Jan. 8th, 1:32 p.m. EST launch, Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is Orbital Sciences' first contracted cargo delivery flight to the space station for NASA. Among the cargo aboard Cygnus set to launch to the space station are science experiments, crew provisions, spare parts and other hardware. Photo Credit: (NASA/Bill Ingalls)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, launches from Pad-0A, Saturday, Feb. 15, 2020 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 13th contracted cargo resupply mission for NASA to the International Space Station will deliver more than 7,500 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Aubrey Gemignani)

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to launch Pad-0A at NASA's Wallops Flight Facility, Sunday, January 5, 2014 in advance of a planned Wednesday, Jan. 8th, 1:32 p.m. EST launch, Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is Orbital Sciences' first contracted cargo delivery flight to the space station for NASA. Among the cargo aboard Cygnus set to launch to the space station are science experiments, crew provisions, spare parts and other hardware. Photo Credit: (NASA/Bill Ingalls)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, launches from Pad-0A, Saturday, Feb. 15, 2020 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 13th contracted cargo resupply mission for NASA to the International Space Station will deliver more than 7,500 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Aubrey Gemignani)

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to launch Pad-0A at NASA's Wallops Flight Facility, Sunday, January 5, 2014 in advance of a planned Wednesday, Jan. 8th, 1:32 p.m. EST launch, Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is Orbital Sciences' first contracted cargo delivery flight to the space station for NASA. Among the cargo aboard Cygnus set to launch to the space station are science experiments, crew provisions, spare parts and other hardware. Photo Credit: (NASA/Bill Ingalls)

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to launch Pad-0A at NASA's Wallops Flight Facility, Sunday, January 5, 2014 in advance of a planned Wednesday, Jan. 8th, 1:32 p.m. EST launch, Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is Orbital Sciences' first contracted cargo delivery flight to the space station for NASA. Among the cargo aboard Cygnus set to launch to the space station are science experiments, crew provisions, spare parts and other hardware. Photo Credit: (NASA/Bill Ingalls)

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to launch Pad-0A at NASA's Wallops Flight Facility, Sunday, January 5, 2014 in advance of a planned Wednesday, Jan. 8th, 1:32 p.m. EST launch, Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is Orbital Sciences' first contracted cargo delivery flight to the space station for NASA. Among the cargo aboard Cygnus set to launch to the space station are science experiments, crew provisions, spare parts and other hardware. Photo Credit: (NASA/Bill Ingalls)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, launches from Pad-0A, Saturday, Feb. 15, 2020 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 13th contracted cargo resupply mission for NASA to the International Space Station will deliver more than 7,500 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Aubrey Gemignani)

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to launch Pad-0A at NASA's Wallops Flight Facility, Sunday, January 5, 2014 in advance of a planned Wednesday, Jan. 8th, 1:32 p.m. EST launch, Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is Orbital Sciences' first contracted cargo delivery flight to the space station for NASA. Among the cargo aboard Cygnus set to launch to the space station are science experiments, crew provisions, spare parts and other hardware. Photo Credit: (NASA/Bill Ingalls)

In this black and white infrared image, a Northrop Grumman Antares rocket carrying a Cygnus resupply spacecraft launches from Pad-0A of the Mid-Atlantic Regional Spaceport, Tuesday, Aug. 10, 2021, at NASA's Wallops Flight Facility in Virginia. Northrop Grumman’s 16th contracted cargo resupply mission with NASA will deliver nearly 8,200 pounds of science and research, crew supplies and vehicle hardware to the International Space Station and its crew. Photo Credit: (NASA/Joel Kowsky)

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to launch Pad-0A at NASA's Wallops Flight Facility, Sunday, January 5, 2014 in advance of a planned Wednesday, Jan. 8th, 1:32 p.m. EST launch, Wallops Island, VA. The Antares will launch a Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is Orbital Sciences' first contracted cargo delivery flight to the space station for NASA. Among the cargo aboard Cygnus set to launch to the space station are science experiments, crew provisions, spare parts and other hardware. Photo Credit: (NASA/Bill Ingalls)

The Orbital ATK Antares rocket is rolled from the Horizontal Integration Facility (HIF) to launch Pad-0A, Thursday, Nov. 9, 2017 at NASA's Wallops Flight Facility in Virginia. Orbital ATK’s eighth contracted cargo resupply mission with NASA to the International Space Station will deliver over 7,400 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Bill Ingalls)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, is seen on Pad-0A at sunrise, Friday, Nov. 16, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,400 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is currently scheduled for Saturday, Nov. 17 at 4:01 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

A Northrop Grumman Antares rocket is seen as it is rolled from the Horizontal Integration Facility (HIF) to Pad-0A, Monday, Nov. 12, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,500 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is scheduled for Nov. 15 at 4:49 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, is seen on Pad-0A, Friday, Nov. 16, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,400 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is currently scheduled for Nov. 17 at 4:01 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, is seen on Pad-0A as rain and high winds move through the area, Thursday, Nov. 15, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,400 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is currently targeted for Saturday, Nov. 17 at 4:01 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

An Orbital Sciences Corporation Antares rocket is seen on launch Pad-0A during sunrise at NASA's Wallops Flight Facility, Wednesday, January 8, 2014, Wallops Island, VA. Early this morning, Orbital Sciences Corp. decided to scrub today’s launch attempt of the Antares rocket and the Cygnus cargo spacecraft on the company’s first resupply mission to the International Space Station due to an unusually high level of space radiation that exceeded constraints imposed on Antares. Photo Credit: (NASA/Bill Ingalls)

A Northrop Grumman Antares rocket carrying a Cygnus resupply spacecraft is raised into a vertical position on Pad-0A, Monday, April 15, 2019. Northrop Grumman’s 11th contracted cargo resupply mission with NASA to the International Space Station will deliver about 7,600 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Bill Ingalls)

Mission engineers load the final cargo into the Cygnus resupply spacecraft onboard the Northrop Grumman Antares rocket, Tuesday, April 16, 2019 at launch Pad-0A of NASA's Wallops Flight Facility in Virginia. Northrop Grumman’s 11th contracted cargo resupply mission with NASA to the International Space Station will deliver about 7,600 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Bill Ingalls)

A Northrop Grumman Antares rocket carrying a Cygnus resupply spacecraft is seen on Pad-0A after being raised into a vertical position, Tuesday, Nov. 13, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,500 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is scheduled for Nov. 15 at 4:49 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

The Orbital Sciences Corporation Antares rocket, with the Cygnus spacecraft onboard, arrives at launch Pad-0A, Thursday, July 10, 2014, at NASA's Wallops Flight Facility in Virginia. The Antares will launch with the Cygnus spacecraft filled with over 3,000 pounds of supplies for the International Space Station, including science experiments, experiment hardware, spare parts, and crew provisions. The Orbital-2 mission is Orbital Sciences' second contracted cargo delivery flight to the space station for NASA. Photo Credit: (NASA/Bill Ingalls)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, is seen on Pad-0A, Wednesday, Nov. 14, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,400 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is currently scheduled for Nov. 16 at 4:23 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, launches from Pad-0A, Wednesday, April 17, 2019 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 11th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,600 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Bill Ingalls)

A Northrop Grumman Antares rocket carrying a Cygnus resupply spacecraft is seen on Pad-0A after being raised into a vertical position, Tuesday, Nov. 13, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,500 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is scheduled for Nov. 15 at 4:49 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

A Northrop Grumman Antares rocket, carrying a Cygnus resupply spacecraft, is seen as it is raised into a vertical position on the launch pad, Tuesday, Nov. 13, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,500 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is scheduled for Nov. 15 at 4:49 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

The Orbital ATK Antares rocket is rolled from the Horizontal Integration Facility (HIF) to launch Pad-0A, Thursday, Nov. 9, 2017 at NASA's Wallops Flight Facility in Virginia. Orbital ATK’s eighth contracted cargo resupply mission with NASA to the International Space Station will deliver over 7,400 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Bill Ingalls)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, is seen on Pad-0A as workers finish preparations ahead of launch, Friday, Nov. 16, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,400 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is currently scheduled for Nov. 17 at 4:01 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

The Northrop Grumman Antares rocket is seen a few hours after arriving at launch Pad-0A, Tuesday, Oct. 29, 2019, at NASA's Wallops Flight Facility in Virginia. Northrop Grumman’s 12th contracted cargo resupply mission with NASA to the International Space Station will deliver about 8,200 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is scheduled for 9:59 a.m. EDT Saturday, Nov. 2. Photo Credit: (NASA/Bill Ingalls)

A Northrop Grumman Antares rocket carrying a Cygnus resupply spacecraft is seen on Pad-0A of the Mid-Atlantic Regional Spaceport prior to launch, Tuesday, Aug. 10, 2021, at NASA's Wallops Flight Facility in Virginia. Northrop Grumman’s 16th contracted cargo resupply mission with NASA launched at 6:01 p.m. EDT and will deliver nearly 8,200 pounds of science and research, crew supplies and vehicle hardware to the International Space Station and its crew. Photo Credit: (NASA/Joel Kowsky}

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, is seen on Pad-0A, Wednesday, Nov. 14, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,400 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is currently scheduled for Nov. 16 at 4:23 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, is seen on Pad-0A, Friday, Nov. 16, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,400 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is currently scheduled for Nov. 17 at 4:01 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

Thomas Zurbuchen, associate administrator for NASA’s Science Mission Directorate, speaks to members of the media prior to the launch of a Northrop Grumman Antares rocket carrying a Cygnus resupply spacecraft, Tuesday, Aug. 10, 2021, at NASA's Wallops Flight Facility in Virginia. Northrop Grumman’s 16th contracted cargo resupply mission for NASA launched at 6:01 p.m. EDT and will deliver nearly 8,200 pounds of science and research, crew supplies and vehicle hardware to the International Space Station and its crew. Photo Credit: (NASA/Joel Kowsky)

The Northrop Grumman Antares rocket is seen a few hours after arriving at launch Pad-0A, Tuesday, Oct. 29, 2019, at NASA's Wallops Flight Facility in Virginia. Northrop Grumman’s 12th contracted cargo resupply mission with NASA to the International Space Station will deliver about 8,200 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is scheduled for 9:59 a.m. EDT Saturday, Nov. 2. Photo Credit: (NASA/Bill Ingalls)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, is seen in this long exposure photograph as it launches from Pad-0A, Wednesday, April 17, 2019 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 11th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,600 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Bill Ingalls)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, is seen on Pad-0A at sunset, Friday, Nov. 16, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,400 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is currently scheduled for Nov. 17 at 4:01 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

A Northrop Grumman Antares rocket carrying a Cygnus resupply spacecraft launches from Pad-0A of the Mid-Atlantic Regional Spaceport, Tuesday, Aug. 10, 2021, at NASA's Wallops Flight Facility in Virginia. Northrop Grumman’s 16th contracted cargo resupply mission with NASA will deliver nearly 8,200 pounds of science and research, crew supplies and vehicle hardware to the International Space Station and its crew. Photo Credit: (NASA/Joel Kowsky}

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, launches from Pad-0A, Wednesday, April 17, 2019 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 11th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,600 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Bill Ingalls)

A Northrop Grumman Antares rocket carrying a Cygnus resupply spacecraft is horizontal for the final cargo load on Pad-0A, Tuesday, April 16, 2019 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman’s 11th contracted cargo resupply mission with NASA to the International Space Station will deliver about 7,600 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Bill Ingalls)

In this image taken with a circular fisheye lens, the Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, is seen on Pad-0A, Wednesday, Nov. 14, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,400 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is currently scheduled for Nov. 16 at 4:23 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

A Northrop Grumman Antares rocket is seen as it rolls out to Pad-0A, Monday, April 15, 2019 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman’s 11th contracted cargo resupply mission with NASA to the International Space Station will deliver about 7,600 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Bill Ingalls)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, is seen on Pad-0A as rain and high winds move through the area, Thursday, Nov. 15, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,400 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is currently targeted for Saturday, Nov. 17 at 4:01 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

The Northrop Grumman Antares rocket is seen in the early morning on launch Pad-0A, Wednesday, Oct. 30, 2019, at NASA's Wallops Flight Facility in Virginia. Northrop Grumman’s 12th contracted cargo resupply mission with NASA to the International Space Station will deliver about 8,200 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is scheduled for 9:59 a.m. EDT Saturday, Nov. 2. Photo Credit: (NASA/Bill Ingalls)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, is seen just after sunrise on Pad-0A, Wednesday, April 17, 2019 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 11th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,600 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Bill Ingalls)

A Northrop Grumman Antares rocket carrying a Cygnus resupply spacecraft is seen during sunrise on Pad-0A, Tuesday, April 16, 2019 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman’s 11th contracted cargo resupply mission with NASA to the International Space Station will deliver about 7,600 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Bill Ingalls)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, launches from Pad-0A, Wednesday, April 17, 2019 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 11th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,600 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Bill Ingalls)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, launches from Pad-0A, Wednesday, April 17, 2019 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 11th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,600 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Bill Ingalls)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, is seen on Pad-0A, Wednesday, Nov. 14, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,400 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is currently scheduled for Friday, Nov. 16 at 4:23 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

A Northrop Grumman Antares rocket is seen as arrives at Pad-0A, Monday, Nov. 12, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,500 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is scheduled for Nov. 15 at 4:49 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

The Orbital Sciences Corporation Antares rocket, with the Cygnus spacecraft onboard, is rolled out of the Horizontal Integration Facility (HIF) to begin the approximately half-mile journey to launch Pad-0A, Thursday, July 10, 2014, at NASA's Wallops Flight Facility in Virginia. The Antares will launch with the Cygnus spacecraft filled with over 3,000 pounds of supplies for the International Space Station, including science experiments, experiment hardware, spare parts, and crew provisions. The Orbital-2 mission is Orbital Sciences' second contracted cargo delivery flight to the space station for NASA. Photo Credit: (NASA/Bill Ingalls)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, launches from Pad-0A, Wednesday, April 17, 2019 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 11th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,600 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Bill Ingalls)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, is seen on Pad-0A just before sunrise, Thursday, Nov. 15, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,400 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is currently scheduled for Friday, Nov. 16 at 4:23 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, is seen on Pad-0A at sunset, Friday, Nov. 16, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,400 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is currently scheduled for Saturday, Nov. 17 at 4:01 a.m. EST. Photo Credit: (NASA/Joel Kowsky)

The Orbital ATK Antares rocket is rolled from the Horizontal Integration Facility (HIF) to launch Pad-0A, Thursday, Nov. 9, 2017 at NASA's Wallops Flight Facility in Virginia. Orbital ATK’s eighth contracted cargo resupply mission with NASA to the International Space Station will deliver over 7,400 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Bill Ingalls)

Pad-0A is seen illuminated by lights as work continues to raise the Northrop Grumman Antares rocket into a vertical position on the launch pad, Tuesday, Nov. 13, 2018 at NASA's Wallops Flight Facility in Virginia. Northrop Grumman's 10th contracted cargo resupply mission for NASA to the International Space Station will deliver about 7,500 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Launch is scheduled for Nov. 15 at 4:49 a.m. EST. Photo Credit: (NASA/Joel Kowsky)