Scrubbed: End of an Era: Final Delta IV Heavy Rocket Carries NROL-70 on Historic Mission - Space Daily
- Scrubbed: End of an Era: Final Delta IV Heavy Rocket Carries NROL-70 on Historic Mission Space Daily
- United Launch Alliance to launch final Delta Heavy IV rocket today. Here's how to watch live Space.com
- Live coverage: ULA, NRO to launch final Delta 4 Heavy rocket – Spaceflight Now Spaceflight Now
- Delta IV to make final flight with NROL-70 mission - NASASpaceFlight.com NASASpaceflight.com
- A Fiery Finale for a Rocket That Brings the Heat The New York Times