The General Dynamics–Grumman EF-111A Raven is an electronic-warfare aircraft designed to replace the B-66 Destroyer in the United States Air Force. Its crews and maintainers often called it the “Spark-Vark”, a play on the F-111’s “Aardvark” nickname. The USAF contracted with Grumman in 1974 to convert some existing General Dynamics F-111As into electronic warfare/electronic countermeasures […]