United Launch Alliance:
Delta II GPS IIR-20 Mission Artwork
United Launch Alliance:
On the Launch Pad: Delta II GPS IIR-20
United Launch Alliance:
Liftoff! Delta II GPS IIR-20
United Launch Alliance:
Liftoff! Delta II Kepler
United Launch Alliance:
Liftoff! Delta II Kepler
United Launch Alliance:
Liftoff! Delta II Kepler