Article Photos: Profiles of 7 Nev. Army depot explosion victims 1/12

In this undated photo released by Eastern Connecticut State University, Marine Roger Muchnick poses for a photograph while in school in Conn. Muchnick 23, with the 2nd Marine Expeditionary Force from Camp Lejeune, N.C., was killed with 6 other Marines after mortar shell  exploded during a training exercise at the Hawthorne, Nev., Army Depot. (AP Photo/Eastern Connecticut State University)