Watch the post-launch press conference held at the Kennedy Space Center following the successful launch of an Atlas 5 carrying Orbital ATK’s Cygnus AO-6 cargo craft, which is headed to the International Space Station.

An unpiloted test flight of Boeing’s Starliner crew capsule to the International Space Station will be delayed from its previous target launch date of April 2 until at least May, after the arrivals of Russian Soyuz and SpaceX Crew Dragon ships bringing fresh crew members to the orbiting complex, NASA officials said Monday.

Armed with capital and an anchor customer for a trailblazing satellite life extension service, Orbital ATK has signed a contract to loft its first robotic servicing tug aboard a Russian Proton rocket in 2018 on a shared launch with a Eutelsat communications satellite.