"cleared hot" + Phrase Finder credited

Posted by George wargo April 14, 2004In reply to "Hair on fire" + Phrase Finder credited posted by ESC on April 11, 2004

(The Phrase Finder is listed as a source in a sidebar story. See link below.)

Request the history of the phrase cleared hot. I know it is used in clsoe air support to relase/fire weapons. Somone asked why the word hot. Help