Crew chiefs from the 83rd Aircraft Maintenance Unit, 55 Aircraft Maintenance Squadron move aerospace ground equipment while preparing an RC-135 Rivet Joint for launch Feb. 3 at Offutt Air Force Base Neb. Additional maintenance time is typically needed during winter operations to heat aircraft and to remove snow and ice from the aircraft prior to take-off. (U.S. Air Force photo by Delanie Stafford/Released)