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News & Press

Upcoming Missions

Atlas V to Launch SBIRS GEO Flight 4 for the U.S. Air Force

Jan. 18, 2018, 7:28 p.m. EST: The launch of a United Launch Alliance Atlas V carrying the SBIRS GEO Flight 4 mission was scrubbed today due to a ground issue associated with the booster liquid oxygen system.

The launch is planned for Friday, Jan. 19, from Space Launch Complex-41 at Cape Canaveral Air Force Station. The forecast shows a 90 percent chance of favorable weather conditions for launch. The launch time is 7:48 p.m. ET.

Atlas V SBIRS GEO Flight 4 Mission Overview

  • Atlas V SBIRS GEO Flight 4 Mission ArtworkRocket: Atlas V 411
  • Mission: Space Based Infrared System (SBIRS) GEO Flight 4
  • Launch Date: Friday, Jan. 19, 2018
  • Launch Time: The 40-minute launch window opens at 7:48 p.m. EST
  • Live Broadcast: Tune in beginning at 7:28 p.m. EST
  • Launch Location: Space Launch Complex 41, Cape Canaveral Air Force Station

Mission Description: SBIRS, considered one of the nation's highest priority space programs, is designed to provide global, persistent, infrared surveillance capabilities to meet 21st century demands in four national security mission areas: missile warning, missile defense, technical intelligence and battlespace awareness. The SBIRS team is led by the Remote Sensing Systems Directorate at the U.S. Air Force Space and Missile Systems Center. Lockheed Martin is the prime contractor, with Northrop Grumman as the payload integrator. Air Force Space Command operates the SBIRS system.

Launch Notes:
ULA also launched the first three SBIRS GEO missions. SBIRS GEO Flight 4 mission will mark ULA’s 125th mission overall since the company was founded in 2006. It’s also the 75th Atlas V launch since the rocket’s inaugural flight in 2002.

Launch Updates: To keep up to speed with updates to the launch countdown, dial the ULA launch hotline at 1-877-852-4321 or join the conversation at www.facebook.com/ulalaunch, twitter.com/ulalaunch and instagram.com/ulalaunch; hashtags #AtlasV #SBIRS.

Go Atlas! Go Centaur! Go SBIRS GEO Flight 4!



Atlas V SBIRS GEO Flight 4 Mission Profile An Atlas V 411 rocket will launch the Space Based Infrared System (SBIRS) GEO Flight 4 mission for the U.S. Air Force.