File:Delta IV Medium 4.2+ (with GOES-N) on launch pad.jpg - Wikipedia

File:Delta IV Medium+ 4,2 launches with GOES O.jpg - Wikimedia Commons

File:Delta IV Medium+ (4,2) lifts off with GOES-N.jpg - Wikipedia

File:GOES-O aboard Delta IV on launch pad.jpg - Wikimedia Commons

File:Delta IV Medium 4.2+ (with GOES-N) on launch pad.jpg - Wikipedia

Manual:Technical Manual/en - Mudlet

Delta IV Heavy NROL-91

Delta IV

Delta IV Heavy NROL-91

Manual:Lua Functions - Mudlet

datasetsProject/data/GalaxyNexus.csv at master · swam92/datasetsProject · GitHub

Delta IV Heavy - Wikipedia

Delta IV Launch Scrubbed after Repeated Last-Minute Countdown Aborts – NROL-47

Delta IV Parker Solar Probe