Article Photos: Pentagon bans 60 mm mortar round after deaths 8/8

A sign telling residents about a memorial service is posted at the Convention Center in Hawthorne, Nev., near the Hawthorne Army Depot on Tuesday, March 19, 2013, where seven Marines were killed and several others seriously injured in a training accident Monday night, about 150 miles southeast of Reno in Nevada's high desert. (AP Photo/Scott Sonner)