LANGLEY AIR FORCE BASE, Va. -- Master Sgt. Donald Holloway, 36th Intelligence Squadron first sergeant, helps his son, 10-year-old Calder, (right), and his nephew, Ethan Weaver, 10, don their gas masks during the Operation Hero event at the static display hangar, Nov. 13. The annual event is held to give military children the experience of what their parents go through during the pre-deployment process. (U.S. Air Force photo/Staff Sgt. Ashley Hawkins)