Melody Lovin, launch weather officer, U.S. Air Force 45th Space Wing, is introduced during a CRS-21 prelaunch news conference at NASA’s Kennedy Space Center in Florida on Dec. 4, 2020. Sarah Walker, director, Dragon Mission Management, SpaceX, Kirt Costello, chief scientist, International Space Station Program Office, and Kenny Todd, deputy program manager, International Space Station Program Office, also participated in the event, which was moderated by NASA Communications’ Jasmine Hopkins. SpaceX’s Falcon 9 rocket, with the upgraded version of the Cargo Dragon spacecraft atop, is targeted to lift off from Kennedy’s Launch Complex 39A Saturday, Dec. 5, at 11:39 a.m. EST. CRS-21 will deliver supplies, equipment, and critical materials needed to support a variety of science and research investigations on the International Space Station.

Melody Lovin, launch weather officer, U.S. Air Force 45th Space Wing, responds to a question during a CRS-21 prelaunch news conference at NASA’s Kennedy Space Center in Florida on Dec. 4, 2020. Sarah Walker, director, Dragon Mission Management, SpaceX, Kirt Costello, chief scientist, International Space Station Program Office, and Kenny Todd, deputy program manager, International Space Station Program Office, also participated in the event, which was moderated by NASA Communications’ Jasmine Hopkins. SpaceX’s Falcon 9 rocket, with the upgraded version of the Cargo Dragon spacecraft atop, is targeted to lift off from Kennedy’s Launch Complex 39A Saturday, Dec. 5, at 11:39 a.m. EST. CRS-21 will deliver supplies, equipment, and critical materials needed to support a variety of science and research investigations on the International Space Station.

Kenny Todd, deputy program manager, International Space Station Program Office, listens to a question during a CRS-21 prelaunch news conference at NASA’s Kennedy Space Center in Florida on Dec. 4, 2020. Kirt Costello, chief scientist, International Space Station Program Office; Sarah Walker, director, Dragon Mission Management, SpaceX; and Melody Lovin, launch weather officer, U.S. Air Force 45th Space Wing, also participated in the event, which was moderated by NASA Communications’ Jasmine Hopkins. SpaceX’s Falcon 9 rocket, with the upgraded version of the Cargo Dragon spacecraft atop, is targeted to lift off from Kennedy’s Launch Complex 39A Saturday, Dec. 5, at 11:39 a.m. EST. CRS-21 will deliver supplies, equipment, and critical materials needed to support a variety of science and research investigations on the International Space Station.

Kenny Todd, deputy program manager, International Space Station Program Office, is introduced during a CRS-21 prelaunch news conference at NASA’s Kennedy Space Center in Florida on Dec. 4, 2020. Kirt Costello, chief scientist, International Space Station Program Office; Sarah Walker, director, Dragon Mission Management, SpaceX; and Melody Lovin, launch weather officer, U.S. Air Force 45th Space Wing, also participated in the event, which was moderated by NASA Communications’ Jasmine Hopkins. SpaceX’s Falcon 9 rocket, with the upgraded version of the Cargo Dragon spacecraft atop, is targeted to lift off from Kennedy’s Launch Complex 39A Saturday, Dec. 5, at 11:39 a.m. EST. CRS-21 will deliver supplies, equipment, and critical materials needed to support a variety of science and research investigations on the International Space Station.

Sarah Walker, director, Dragon Mission Management, SpaceX, listens to a question during a CRS-21 prelaunch news conference at NASA’s Kennedy Space Center in Florida on Dec. 4, 2020. Kirt Costello, chief scientist, International Space Station Program Office, Kenny Todd, deputy program manager, International Space Station Program Office; and Melody Lovin, launch weather officer, U.S. Air Force 45th Space Wing, also participated in the event, which was moderated by NASA Communications’ Jasmine Hopkins. SpaceX’s Falcon 9 rocket, with the upgraded version of the Cargo Dragon spacecraft atop, is targeted to lift off from Kennedy’s Launch Complex 39A Saturday, Dec. 5, at 11:39 a.m. EST. CRS-21 will deliver supplies, equipment, and critical materials needed to support a variety of science and research investigations on the International Space Station.

Sarah Walker, director, Dragon Mission Management, SpaceX, is introduced during a CRS-21 prelaunch news conference at NASA’s Kennedy Space Center in Florida on Dec. 4, 2020. Kirt Costello, chief scientist, International Space Station Program Office, Kenny Todd, deputy program manager, International Space Station Program Office; and Melody Lovin, launch weather officer, U.S. Air Force 45th Space Wing, also participated in the event, which was moderated by NASA Communications’ Jasmine Hopkins. SpaceX’s Falcon 9 rocket, with the upgraded version of the Cargo Dragon spacecraft atop, is targeted to lift off from Kennedy’s Launch Complex 39A Saturday, Dec. 5, at 11:39 a.m. EST. CRS-21 will deliver supplies, equipment, and critical materials needed to support a variety of science and research investigations on the International Space Station.

From left, Kenny Todd, deputy program manager, International Space Station Program Office; Kirt Costello, chief scientist, International Space Station Program Office; Sarah Walker, director, Dragon Mission Management, SpaceX; and Melody Lovin, launch weather officer, U.S. Air Force 45th Space Wing, participate in a CRS-21 prelaunch news conference at Kennedy Space Center in Florida on Dec. 4, 2020. NASA Communications’ Jasmine Hopkins moderated the event. SpaceX’s Falcon 9 rocket, with the upgraded version of the Cargo Dragon spacecraft atop, is targeted to lift off from Kennedy’s Launch Complex 39A Saturday, Dec. 5, at 11:39 a.m. EST. CRS-21 will deliver supplies, equipment, and critical materials needed to support a variety of science and research investigations on the International Space Station.

Kirt Costello, chief scientist, International Space Station Program Office, listens to a question during a CRS-21 prelaunch news conference at NASA’s Kennedy Space Center in Florida on Dec. 4, 2020. Kenny Todd, deputy program manager, International Space Station Program Office; Sarah Walker, director, Dragon Mission Management, SpaceX; and Melody Lovin, launch weather officer, U.S. Air Force 45th Space Wing, also participated in the event, which was moderated by NASA Communications’ Jasmine Hopkins. SpaceX’s Falcon 9 rocket, with the upgraded version of the Cargo Dragon spacecraft atop, is targeted to lift off from Kennedy’s Launch Complex 39A Saturday, Dec. 5, at 11:39 a.m. EST. CRS-21 will deliver supplies, equipment, and critical materials needed to support a variety of science and research investigations on the International Space Station.

Kirt Costello, chief scientist, International Space Station Program Office, is introduced during a CRS-21 prelaunch news conference at NASA’s Kennedy Space Center in Florida on Dec. 4, 2020. Kenny Todd, deputy program manager, International Space Station Program Office; Sarah Walker, director, Dragon Mission Management, SpaceX; and Melody Lovin, launch weather officer, U.S. Air Force 45th Space Wing, also participated in the event, which was moderated by NASA Communications’ Jasmine Hopkins. SpaceX’s Falcon 9 rocket, with the upgraded version of the Cargo Dragon spacecraft atop, is targeted to lift off from Kennedy’s Launch Complex 39A Saturday, Dec. 5, at 11:39 a.m. EST. CRS-21 will deliver supplies, equipment, and critical materials needed to support a variety of science and research investigations on the International Space Station.

NASA Communications’ Jasmine Hopkins moderates a CRS-21 prelaunch news conference at Kennedy Space Center in Florida on Dec. 4, 2020. Participants included Kenny Todd, deputy program manager, International Space Station Program Office; Kirt Costello, chief scientist, International Space Station Program Office; Sarah Walker, director, Dragon Mission Management, SpaceX; and Melody Lovin, launch weather officer, U.S. Air Force 45th Space Wing. SpaceX’s Falcon 9 rocket, with the upgraded version of the Cargo Dragon spacecraft atop, is targeted to lift off from Kennedy’s Launch Complex 39A Saturday, Dec. 5, at 11:39 a.m. EST. CRS-21 will deliver supplies, equipment, and critical materials needed to support a variety of science and research investigations on the International Space Station.

NASA Communications’ Jasmine Hopkins moderates a CRS-21 prelaunch news conference at Kennedy Space Center in Florida on Dec. 4, 2020. Participants included Kenny Todd, deputy program manager, International Space Station Program Office; Kirt Costello, chief scientist, International Space Station Program Office; Sarah Walker, director, Dragon Mission Management, SpaceX; and Melody Lovin, launch weather officer, U.S. Air Force 45th Space Wing. SpaceX’s Falcon 9 rocket, with the upgraded version of the Cargo Dragon spacecraft atop, is targeted to lift off from Kennedy’s Launch Complex 39A Saturday, Dec. 5, at 11:39 a.m. EST. CRS-21 will deliver supplies, equipment, and critical materials needed to support a variety of science and research investigations on the International Space Station.

Sarah Walker, director, Dragon Mission Management, SpaceX, responds to a question during a CRS-21 prelaunch news conference at NASA’s Kennedy Space Center in Florida on Dec. 4, 2020. Kirt Costello, chief scientist, International Space Station Program Office, Kenny Todd, deputy program manager, International Space Station Program Office; and Melody Lovin, launch weather officer, U.S. Air Force 45th Space Wing, also participated in the event, which was moderated by NASA Communications’ Jasmine Hopkins. SpaceX’s Falcon 9 rocket, with the upgraded version of the Cargo Dragon spacecraft atop, is targeted to lift off from Kennedy’s Launch Complex 39A Saturday, Dec. 5, at 11:39 a.m. EST. CRS-21 will deliver supplies, equipment, and critical materials needed to support a variety of science and research investigations on the International Space Station.