9/4/2012 - Lt. Col. Derek Salmi, director of safety with the 436th Airlift Wing, waves to Christin Michaud after handing her a sticker Aug. 31, 2012, at the front gate on Dover Air Force Base, Del. Members of the safety office handed out stickers and book bags to motorists as they departed for the Labor Day weekend as part of the 100 Critical Days of Summer Labor Day send-off. (U.S. Air Force photo by Tech. Sgt. Chuck Walker)