U.S. official: Killed forces were reinforcing troops in Afghanistan - CNN

Among the 25 U.S. special forces killed in Wardak province were 22 Navy SEALS, considered to be the "best of the best." Seven Afghan troops also died. - Insurgents shoot down U.S. helo
SEALs: Navy's elite Gallery
Taliban kills bin Laden hunters in biggest loss of life - telegraph
38 troops die in Afghanistan helicopter crash - Independent