Gillespie Field (IATA: SEE, ICAO: KSEE, FAA LID: SEE) is a county-owned public airport in El Cajon, California.

[7][8] In 1971 the County Sheriff stationed ASTREA, a helicopter law enforcement base at the airport, and in 1993 the San Diego Aerospace Museum located its restoration operations and an exhibit at the field.

Gillespie Field covers 758 acres (307 ha) and has three asphalt runways:[1] For the 12-month period ending December 31, 2016 the airport had 226,887 aircraft operations, average 622 per day: 99.8% general aviation, <1% air taxi and <1% military.

[11] It has an Atlas ICBM rocket as its gate guard, a recently restored F-102A Delta Dagger with drop tanks and AIM-4A Falcon missiles, and a Grumman F-14A Tomcat used in Top Gun: Maverick.

[12] On December 27, 2021, a Learjet 35 aircraft on a repositioning flight from John Wayne Airport crashed into a neighborhood east of El Cajon during an approach to Runway 27R.