High Quality Content by WIKIPEDIA articles! Pan American Airways Guided Missile Range Division (PAA GMRD) was a distinct division of Pan American World Airways in the period 1950-1980, responsible as prime contractor of the U.S. Air Force Eastern Test Range, based out of Patrick Air Force Base, Florida. It was responsible for providing operations and maintenance for the Eastern Test Range, but subcontracted operation and maintenance of electronic equipment, such as missile tracking radars on the test range tracking ships and stations to the Missile Test Project of RCA Service Company (RCAS).