PAF Base Masroor (ICAO: OPMR) is the largest airbase operated by the Pakistan Air Force.

[2][3] The airbase at Mauripur was established by the RIAF during World War II in 1942 as a transit airfield allowing RAF Drigh Road to concentrate on maintenance.

[4] Masroor airbase has the distinction of not only being the largest base, area wise, in Pakistan but also in Asia.

It is of immense strategic importance considering it has been entrusted upon the task of defending the coastal and Southern region of Pakistan.

Base is also home to College of Aviation safety management and Tactical Air Support school (TASS).