Photos: News media images of Atlas 5 launch

India’s most powerful communications satellite will soon be flown back to its manufacturing plant in Bangalore for additional checks, officials said this week, forcing Arianespace to scrap plans for an Ariane 5 launch in late May that was to be co-manifested with a U.S.-built television broadcast satellite for Intelsat and the government of Azerbaijan.

The nation’s existing Atlas and Delta launch sites are vying for a future when United Launch Alliance completes its modernization with a new rocket system and downsizing to one pad on each coast.

The 32-story-tall mobile service tower at the Delta 4’s launch pad at Vandenberg Air Force Base in California was retracted away from the rocket Thursday in advance of a planned liftoff with a top secret National Reconnaissance Office payload.