WASHINGTON — The U.S. Air Force has awarded Exelis Information Systems modifications worth more than $32 million combined to four separate contracts to support space surveillance and missile defense capabilities in 2015, according to a Jan. 6 announcement from the Defense Department.

Exelis operates and maintains several ground-based sensors, both optical and radar, that are used by U.S. Strategic Command and Air Force Space Command for missile warning, missile defense and space control.

The four contract modifications are all part of the Exelis-led Systems Engineering and Sustainment Integrator, or SENSOR, capabilities program.

The four contract modifications are:

  • $8.9 million for Globus 2l, a radar station in Norway near the Russian border.
  • $8.4 million for a phased array radar at Eglin Air Force Base in Florida.
  • $8 million for work at the Distributed Command and Control System at the Naval Surface Warfare Center in Dahlgren, Virginia. That facility serves as the backup for the Joint Space Operations Center, which is the military’s space operations nerve center.
  • $7.3 million for the Ground-Based Electro-Optical Deep Space Surveillance System at sites in New Mexico, Hawaii and Diego Garcia.

The work is expected to be completed by the end of 2015, the announcement said.

Mike Gruss covers military space issues, including the U.S. Air Force and Missile Defense Agency, for SpaceNews. He is a graduate of Miami University in Oxford, Ohio.