Video: Liftoff of Delta 4 with WGS 7

Redesigned titanium steering fins will fly aboard a Falcon 9 rocket launching Sunday from California, part of upgrades SpaceX says will ease the reuse of future boosters.

Soaring in fine fashion before daybreak, a United Launch Alliance Delta 4 rocket maneuvered a new spy satellite into a unique retrograde orbit Wednesday morning to join an expanding constellation of radar-imaging spacecraft.

Watch a zoomed in view of the Falcon 9 rocket with the first Crew Dragon capsule atop, briefly fire its engines for a crucial pre-launch test on Jan. 24, 2019 at launch pad 39A at the Kennedy Space Center.