Liftoff of the #AFSPC6 satellite launched by United Launch Alliance at 12:52am on August 19, 2016 atop a #DeltaIV rocket from Cape Canaveral Air Force Station.

Liftoff of the #AFSPC6 satellite launched by United Launch Alliance at 12:52am on August 19, 2016 atop a #DeltaIV rocket from Cape Canaveral Air Force Station.

Liftoff of the #AFSPC6 satellite launched by United Launch Alliance at 12:52am on August 19, 2016 atop a #DeltaIV rocket from Cape Canaveral Air Force Station.

Ignition of the Aerojet Rocketdyne RS-68A main engine on the United Launch Alliance Delta IV Medium+(4,2) rocket. When the RS-68A is started, the sparklers ignite free hydrogen floating around the base of the rocket, resulting in this impressive fireball. Photo taken by Michael Seeley / We Report Space during the #‎AFSPC6 launch on August 19, 2016. (Caption by Jared Haworth)

Liftoff of the #AFSPC6 satellite launched by United Launch Alliance at 12:52am on August 19, 2016 atop a #DeltaIV rocket from Cape Canaveral Air Force Station.

Liftoff of the #AFSPC6 satellite launched by United Launch Alliance at 12:52am on August 19, 2016 atop a #DeltaIV rocket from Cape Canaveral Air Force Station.

Bird watching the DeltaIV rocket seen at Launch Complex 37.