The Pentagon said it awarded Carlsbad-based ViaSat Inc. a $13.7 million contract to produce ground transceivers for its Blue Force Tracker 2 program.

Such a system uses GPS to locate friendly forces on a battlefield. The U.S. Army began fielding the Blue Force Tracking 2 system in 2012.

The Defense Information Systems Agency awarded the latest deal, and the $13.7 million price tag includes options. ViaSat will make deliveries between September 2017 and April 2018.

The Defense Information Technology Contracting Organization at Scott Air Force Base in Illinois awarded the deal, announced April 14.