Unit mourns 4 soldiers killed after 2 helicopters crash during training at Wash. Army base

The Washington Post - 12/14/2011

Army officials have not identified the deceased soldiers or the cause of the crash, as an investigative team traveled to the site to begin work Wednesday morning. The two-seat reconnaissance choppers crashed after 8 p.m. Monday in the southwest training area of the sprawling base, killing all four on board, according to the Army.

See the full article at The Washington Post