Photos: Delta 4 lights up the sky for night owl launch

Watch a replay from a camera mounted on-board SpaceX’s Falcon 9 rocket as it released one of 10 Iridium Next communications satellites Monday nearly 400 miles above Earth.

SpaceX aims to launch a Falcon 9 rocket Monday from Vandenberg Air Force Base in California with 10 new satellites for Iridium’s tracking and message relay constellation in low Earth orbit.

Blue Origin submitted a proposal late last year in what’s expected to be a four-way competition for U.S. Air Force funding to support development of new orbital-class rockets, a further step taken by the Jeff Bezos-owned company to break into the military launch market, industry officials said.