[2003, Bill Katovsky, William Katovsky, Timothy Carlson, Embedded: The Media at War in Iraq, Globe Pequot
I was not present when Americans died at the hands of fellow soldiers in what the military calls "frat," for fratricide. I had no idea what ordinary Iraqis were experiencing.]
2007, Jonathan Dowty, Christian Fighter Pilot Is Not an Oxymoron, Jonathan Dowty (→ISBN), page 24:
[If he] drops a simulated bomb on a friendly ground position, he is required to buy a keg as punishment for the fratricide or frat. (This is in addition to the humiliation of the debrief, as fighter pilots consider frat the gravest of sins.)
