Orbital Test Vehicle-4 Launch (AFSPC-5)
United Launch Alliance Atlas V 501
Space Launch Complex 41, Cape Canaveral Air Force Station, Florida
​May 20, 2015 @ 11:05 AM EDT

Prelaunch Pad Photos

The RD-180 engine ignites flinging dirt out the flame trench. Copyright © Alex Polimeni

Copyright © Alex Polimeni

Copyright © Alex Polimeni

Copyright © Alex Polimeni

The RD-180 engine roars to life! Copyright © Alex Polimeni

Copyright © Alex Polimeni

Copyright © Alex Polimeni

The Atlas V clears the tower and begins navigating through the lightning suppression lines. Copyright © Alex Polimeni

Copyright © Alex Polimeni

Copyright © Alex Polimeni

Copyright © Alex Polimeni

Copyright © Alex Polimeni

Copyright © Alex Polimeni