`cleanup tag added ==  My research has shown this is genuine: ``Seven North Vietnamese MiG-21s are shot down during Operation Bolo, a mission to draw out the North Vietnamese fighters into an air-to-air battle against U.S. F-4Cs`` (Air Force Times January 6, 2003 Monday).  However. The article needs a large cleanup to comply with WP policies. e.g. there are very large quotes - either paraphrase or remove them.    == `