The United Launch Alliance planned to kick off its first mission of the year with the launch of its Atlas V rocket from Cape Canaveral, Florida, Thursday evening, but the mission was rescheduled for tomorrow. The vehicle will be sending an infrared surveillance satellite into a high orbit for the US Air Force.
Take off was initially scheduled for 7:46PM ET, but ULA delayed the launch in order to work on an issue with sensors on the rocket. The launch was then scrubbed due to an aircraft in range of the mission. The new launch time is Friday at 7:22PM ET, so check back then to watch the Atlas V take flight. If the launch is scrubbed again, it should take place on Saturday.
Called the SBIRS GEO-3, the satellite going into space is part of the Defense Department’s Space-Based Infrared System, or SBIRS. It’s a surveillance initiative that provides early warning of missile launches throughout the globe. Specifically, SBIRS looks for special heat signatures that missiles produce, giving the US military enough time to deploy appropriate missile defense systems if necessary.
To do this, SBIRS utilizes satellites in two different orbital paths, as well as data processing facilities on the ground. SBIRS GEO-3 is the third SBIRS satellite that will go to a geosynchronous orbit — a path 22,000 miles above the Earth’s surface in which spacecraft match the planet’s rotation. In this orbit, the satellite will be located over the same patch of Earth at all times.