US Air Force members of the 245th Air traffic Control Squadron (ATCS) position a radar dish. The 245th ATCS, located at McEntire Air National Guard Base, Eastover, South Carolina, is undergoing its first Operational Readiness Inspection (ORI). Location: MCENTIRE ANG STATION, SOUTH CAROLINA 9 Sep 2000 (Photo DVIC)

US Air Force (USAF) Staff Sergeants (SSGT) Jose Pastrada (foreground) and Bryan Herrington, both Air Traffic Controllers, 447th Expeditionary Operational Support Squadron (EOSS), monitor air traffic on their scopes, inside the Radar Approach Control (RAPCON) center at Baghdad International Airport, Iraq, during Operation IRAQI FREEDOM. 27 Aug 2003 (Photo DVIC)

Master Sergeant Steven Neal, 1st Combat Communications Squadron, Ramstein Air Base, Germany, as he uses a multimeter to check the phase shifter power supply on the Precision Approach Radar. Members of 1st Combat Communications are deployed to Albania in support of operation Shining Hope. 31 May 1999 (Photo DVIC)

Lt. Col. James Dozier inspects the Identification Friend or Foe (IFF) tracker at Threat Site Two. The threat sites are used to simulate surface-to-air missiles and anti-aircraft artillery by transmitting radar waves that are tracked at KOTAR Range, South Korea. 17 Apr 1982 (Photo DVIC)

A view of a radar installation operated by the 2187th Communications Group, with a C-130 Hercules aircraft taking off in the background.Location: AVIANO AIR BASE, PORDENONE ITALY 23 Dec 1977 (Photo DVIC)