The Department of Defense, specifically the United States Air Force, is seeking sources for the procurement of Trimble R12i Model 60 equipment to be delivered to Andersen Air Force Base in Guam. The required items include two Trimble R12i units, two configurations for base and rover mode, a five-year premium GNSS protection plan, and a specific adapter cable. These items are critical for navigation and surveying applications, underscoring their importance in military operations. Interested vendors should direct inquiries to Julieth Collazos at julieth.collazos.1@us.af.mil, noting that this is a sources sought announcement and does not guarantee a contract award.