September 6, 2025
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Air Force

Delta 4

Live coverage: Tonight’s Delta 4 countdown and launch journal

August 17, 2016 Justin Ray

A pair of Air Force surveillance satellites headed to geosynchronous orbit today to reconnoiter the high ground, departing Cape Canaveral aboard a United Launch Alliance Delta 4 rocket at 12:52 a.m. EDT (0452 GMT). It is the 375th Delta rocket flight since 1960.

Delta 4

Preview: Two space informants to be launched to geosynchronous orbit

August 16, 2016 Justin Ray

The Air Force will launch a second pair of small security probes 22,300 miles above the Earth using a Delta 4 rocket on Friday to alert ground controllers of impending space collisions and monitor potential meddling with U.S. orbiting assets.

Delta 4

Timeline: Delta 4/GSSAP launch events

August 16, 2016 Justin Ray

Follow the unclassified portion of the Delta 4 rocket’s ascent to space from Cape Canaveral’s Complex 37 launch pad with the U.S. Air Force’s two Geosynchronous Space Situational Awareness Program, or GSSAP, satellites.

Uncategorized

Weather outlook good for Friday’s early morning Delta 4 launch

August 15, 2016 Justin Ray

Air Force meteorologists are giving favorable weather odds for the Delta 4 rocket to launch a pair of space surveillance satellites early Friday morning from Cape Canaveral.

Delta 4

Photos and video: Payload hoisted atop Delta 4 for upcoming launch

August 12, 2016 Justin Ray

The two Geosynchronous Space Situational Awareness Program, or GSSAP, satellites for the U.S. military are mounted aboard the United Launch Alliance Delta 4 rocket. Liftoff is planned for Aug. 19 from Cape Canaveral.

Delta 4

Air Force satellite duo mated to Delta 4 rocket for next week’s launch

August 9, 2016 Justin Ray

Two space informants to track objects in geosynchronous orbit have been mounted atop their Delta 4 launch vehicle for liftoff Aug. 19.

Atlas 5

Next missile warning sentinel set for October launch to geosynchronous orbit

August 5, 2016 Justin Ray

A highly sophisticated U.S. Air Force satellite to sound the alarm when an enemy missile launches has shipped to its Florida launch site for liftoff in October aboard a United Launch Alliance Atlas 5 rocket.

Delta 4

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

July 30, 2016 Justin Ray

A United Launch Alliance Delta 4 rocket went through a practice countdown and fueling exercise this week to prepare for its Aug. 19 liftoff to deliver a pair of orbital surveillance satellites into space.

Delta 4

Delta 4 rolls out for second launch in ‘neighborhood watch’ effort

July 6, 2016 Justin Ray

Just three weeks after the Delta 4-Heavy rocket left the launch pad on its way to a successful satellite-deployment mission for U.S. national security, a smaller booster in the family has rolled out for its August military flight.

Delta 4

Photos: More shots of Saturday’s Delta 4-Heavy rocket Launch

June 12, 2016 Justin Ray

Departing on three pillars of fire, the United Launch Alliance Delta 4-Heavy rocket lifted off at 1:51 p.m. from Cape Canaveral for a classified national security satellite deployment.

Posts pagination

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News Headlines

  • SpaceX aces 500th Falcon booster landing amid sunrise Starlink mission
    September 4, 2025
  • SpaceX launches 28 Starlink satellites on Wednesday sunrise Falcon 9 flight
    September 2, 2025
  • SpaceX’s Tuesday night Starlink features rare debut of a Falcon booster
    September 2, 2025
  • SpaceX’s Sunday morning Falcon 9 launch sends 1,900th Starlink to orbit in 2025
    August 30, 2025
  • SpaceX launches 24 Starlink satellites into polar orbit
    August 29, 2025
  • NASA, NOAA prep spacecraft trio to study the Sun and its impacts
    August 29, 2025
  • SpaceX launches record-breaking 30th flight of a Falcon 9 booster
    August 27, 2025
  • SpaceX completes 400th Falcon booster landing on a drone ship
    August 27, 2025
  • SpaceX successfully launches Super Heavy-Starship on critical test flight
    August 27, 2025
  • SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Cape Canaveral
    August 27, 2025
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