Photos: Falcon takes flight

United Launch Alliance vows a “seamless” switch from the Atlas 5 to the new Vulcan rocket in launches of Boeing’s astronaut taxis.

The Cargo Dragon spacecraft, tail number C209, will carry 6,659 lbs. (3,021 kg.) of science and supplies to the orbiting outpost. Liftoff from pad 39A at NASA’s Kennedy Space Center happened Monday, April 21, at 4:15 a.m. EDT (0815 UTC).

The touchdown of booster 1075 marked SpaceX’s 450th Falcon booster landing. Liftoff from pad 4 East happened at 3:32 p.m. PDT (6:32 p.m. EDT, 2232 UTC).