The third episode of Cannon's Tales of Tails series focusing on the EF-111 Raven Aircraft.br br 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.br br "The appearance of U.S. Department of Defense (DoD) visual information does not imply or constitute DoD endorsement.