Albrook "Marcos A. Gelabert" International Airport (Spanish: Aeropuerto Internacional de Albrook "Marcos A. Gelabert") (IATA: PAC, ICAO: MPMG) is a public airport located 1.5 kilometres (0.93 mi; 0.81 nmi) west of the center of Panama City, in the Panamá Province of Panama.

The one existing airfield (France Field) was too small, had a poor landing surface, offered no room for expansion, and provided little defense for the Pacific entrance to the canal.

By the mid-1930s, advances in naval aviation (primarily aircraft carriers) and increasingly long-range bombers had again made plain the inadequacies of air defense of the canal.

Plans to significantly expand Air Corps strength had been around since 1934, essentially proposing a system of outlying bases supported by pursuit and bombardment aircraft.

In 1966, elements of the USAF's 4080th Strategic Reconnaissance Wing flew Lockheed U-2 aircraft from the base to perform atmospheric sampling as the French detonated a nuclear device in the South Pacific.

The station was turned over to the Government of Panama on 30 September 1997 as a result of the Torrijos-Carter Treaties and was subsequently vacated by the U.S. Department of Defense.