Almost.

Hit & Run > Odds and Sods - Reason Magazine:

"A jarring helmet-cam video obtained by Salon suggests that a 2006 insurgent attack that killed two American soldiers in Ramadi was, in fact, a friendly-fire incident. One cannot help be moved by both the awful tragedy on display and the professionalism of the soldiers responding. That is until, at the very end of the video, when the squad leader orders his soldiers to report that they were hit by enemy mortars and not a U.S. Army tank shell."