Dictionary — ontologydriven

Broken Arrow en · NOUN

(US, euphemistic) An accidental event that involves nuclear weapons or nuclear components but does not create the risk of nuclear war.
- In the US, the code name for a serious nuclear weapons incident is "Broken Arrow". It is US policy neither to confirm nor deny the existence of nuclear weapons at any specific location; this also applies to Broken Arrow incidents. 2004, Roland Everett Langford, Introduction to Weapons of Mass Destruction: Radiological, Chemical, and Biological, page 97:

Spelling	Features	Labels	Source
Broken Arrows	Number=Plur		lexicographic

(US) A code phrase indicating that a ground unit is facing imminent destruction from enemy attack and all available air forces within range are to provide air support immediately.
- All Pulse elements, this is Home Plate. Broken Arrow. I repeat, Broken Arrow. Forward command of close air-support operations is Rebel Four One. 2017, Kevin Ikenberry, Vendetta Protocol, page 155:
- Broken Arrow refers to the U.S. military's code word used during the Vietnam War. This call was used only in the direst of tactical situations, when a ground unit was overrun by enemy forces. When "Broken Arrow" was heard on the radio nets, all available aircraft were diverted to provide close air support for the endangered command. 2010, Danny W. Davis, The Phinehas Priesthood, →ISBN:
- Before Caras could respond, the General threw down the mike, turned to his second and said, "Get them all the air support we have, everything. This is Broken Arrow" 2008, Terry Ryan, Bring Out Your Dead, →ISBN, page 137:
- The FAC urgently sends over his radio a cry for help: "Broken Arrow! Broken Arrow!' His message unleashes all available close air support in South Vietnam on a priority basis. 2003, Jacques-François de Chaunac, The American Cavalry in Vietnam: "First Cav", →ISBN, page 48: