Four American soldiers were killed in Niger last Oct 4. From left, they are Staff Sgt. Bryan C. Black, 35, of Puyallup, Wash.; Staff Sgt. Jeremiah W. Johnson, 39, of Springboro, Ohio; Sgt. La David Johnson of Miami Gardens, Fla.; and Staff Sgt. Dustin M. Wright, 29, of Lyons, Ga. A Pentagon report cites multiple failures with the mission, and the military is now briefing families of those killed.