MOUNTAIN HOME AIR FORCE BASE, Idaho -- Lt. Col. William Tracy, 366th Fighter Wing safety office chief, speaks to Airmen about the importance of using safety principles during the "101 Critical Days of Summer" May 22 in Hangar 1333. The 101 Critical Days of Summer began Memorial Day and continues through the Labor Day weekend. (U.S. Air Force photo/ Airman 1st Class Ryan Crane)