Video: DSCOVR prepared for launch

This collection of photographs shows the Air Force’s Wideband Global SATCOM communications satellite No. 7 being encapsulated in the United Launch Alliance Delta 4 nose cone and hoisted atop the rocket for launch July 22.

This photo gallery shows the Mexican Morelos 3 communications satellite being encapsulated in the United Launch Alliance Atlas 5 rocket’s payload fairing for the planned Oct. 2 liftoff.

A rocket recovery team positioned off Florida’s East Coast is standing by for liftoff Sunday of a Falcon 9 launcher with a space weather satellite, but the demanding trajectory of the flight adds more unknowns to the company’s dicey endeavor to land the booster on a ship at sea.