Airman 1st Class Matthew Dahlhauser, 39th Communications Squadron cyber transport technician, checks cables on an Ethernet port switch. Recently, the Base Information Transfer Infrastructure program from Hanscom AFB, Mass., awarded four acquisition contracts to modernize and replace critical network components. BITI is responsible for upgrading the Air Force's cyber infrastructure and provides both hard-wired and wireless network capabilities to 175 active-duty, Reserve and Air National Guard bases worldwide. (U.S. Air Force photo/Staff Sgt. Marissa Tucker)