Sunnyvale, Calif.-based Trimble [Nasdaq: TRMB] has been awarded two contracts from the U.S. Air Force (USAF) to provide Global Positioning System (GPS) surveying and mapping systems. The GPS equipment will be used as part of the GeoBase civil engineering program for worldwide surveying and construction projects. The contracts are valued at approximately $5 million. Under the contract, Trimble will supply GPS Total Station 5700 surveying systems, GPS Pathfinder Pro XRS mapping systems, GeoExplorer CE series GPS handheld receivers and training. The systems will be used to collect position data to map USAF base installation assets as well as build base camps and airfields worldwide.