April 20, 2026
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Breaking News
  • [ April 19, 2026 ] Live Coverage: Third flight of Blue Origin’s New Glenn rocket to feature 1st reuse of booster Mission Reports
  • [ April 18, 2026 ] Live coverage: SpaceX to attempt 600th Falcon booster landing amid West Coast Starlink mission Falcon 9
  • [ April 16, 2026 ] Blue Origin hot fires its first previously flown booster, prepares for weekend launch Mission Reports
  • [ April 15, 2026 ] Blue Origin one step closer to launching New Glenn from Vandenberg Space Force Base New Glenn
  • [ April 15, 2026 ] West Coast SpaceX Falcon 9 mission launches 25 Starlink satellites Falcon 9

Live coverage: Atlas 5 countdown and launch journal

September 19, 2017 Justin Ray

Live coverage of the United Launch Alliance Atlas 5 rocket flight to deploy the NROL-42 payload for the National Reconnaissance Office.

(Launch webcast begins at 10:10 p.m. local / 1:10 a.m. EDT / 0510 GMT)

Entries below listed as EDT (subtract 3 hours for local time; add 4 hours for GMT)

  • Atlas 5
  • AV-072
  • Mission Status Center
  • National Reconnaissance Office
  • NROL-42
  • United Launch Alliance
  • Vandenberg Air Force Base

Related Articles

Delta 4

Delta 4 rocket undergoes launch day simulation for its next Air Force mission

November 16, 2016 Justin Ray

A United Launch Alliance Delta 4 rocket went through a practice countdown and fueling exercise today to prepare for its Dec. 7 liftoff to deliver a U.S. military communications satellite into space.

Mission Reports

Live coverage: Rocket Lab launches three U.S. military smallsats

May 4, 2019 Stephen Clark

Three experimental satellites sponsored by the U.S. military lifted off on an Electron rocket from Rocket Lab’s commercial spaceport in New Zealand on Sunday at 0600 GMT (2 a.m. EDT).

Delta 4

After weather scrub, Starlink launch to wait for pair of national security missions

September 28, 2020 Stephen Clark

Continuing a dizzying series of rescheduled launches from Florida’s Space Coast, poor weather at the Kennedy Space Center forced SpaceX to keep a Falcon 9 rocket and 60 Starlink broadband satellites on the ground Monday. The Starlink launch is expected to be delayed until Thursday, after a pair of national security missions are set to blast off from Cape Canaveral Tuesday.

News Headlines

  • Live Coverage: Third flight of Blue Origin’s New Glenn rocket to feature 1st reuse of booster
    April 19, 2026
  • Live coverage: SpaceX to attempt 600th Falcon booster landing amid West Coast Starlink mission
    April 18, 2026
  • Blue Origin hot fires its first previously flown booster, prepares for weekend launch
    April 16, 2026
  • Blue Origin one step closer to launching New Glenn from Vandenberg Space Force Base
    April 15, 2026
  • West Coast SpaceX Falcon 9 mission launches 25 Starlink satellites
    April 15, 2026
  • SpaceX launches 1,000th Starlink satellite of 2026 on Falcon 9 rocket from Cape Canaveral
    April 14, 2026
  • NASA confident Artemis 2 heat shield will protect crew during re-entry
    April 10, 2026
  • Artemis astronauts send down Easter message, prep for lunar fly around Monday
    April 5, 2026
  • ULA’s Atlas 5 rocket launches its heaviest payload ever with fifth Amazon Leo mission
    April 3, 2026
  • Artemis 2 crew blasts off on historic moon mission
    April 2, 2026
  • Home
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  • Members
    • Sign in
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