A B-52H Stratofortress undergoes a phase inspection on Barksdale Air Force Base, La., Jan. 28. Aircraft come in for phase inspections every 450 flight hours. The inspections also include repairs to the aircraft's systems, such as the engines, electrical and life support systems, and hydraulics. (U.S. Air Force photo/Airman 1st Class Andrew Moua)
Airman Dylan Fox, 2nd Maintenance Squadron fabrication flight, inspects a B-52H Stratofortress for corrosion during a phase inspection on Barksdale Air Force Base, La., Jan. 28. Corrosion is caused by a variety of factors such as humidity and may cause millions of dollars of damage by reducing structural integrity of the aircraft. (U.S. Air Force photo/Airman 1st Class Andrew Moua)
Airman 1st Class Kiron St. Laurent, 2nd Maintenance Squadron accessories flight, checks the Y-duct on the engine of a B-52H Stratofortress during a phase inspection on Barksdale Air Force Base, La., Jan. 28. The Y-duct draws in air as the aircraft flies and uses the air to run the air conditioning, regulate cabin pressure and provide a source of air for aircrew. (U.S. Air Force photo/Airman 1st Class Andrew Moua)
Airmen assigned to the 2nd Maintenance Squadron remove an engine from a B-52H Stratofortress during a phase inspection on Barksdale Air Force Base, La., Jan. 28. Aircraft come in for phase inspections every 450 flight hours. The inspections also include repairs to the aircraft's systems, such as the engines, electrical and life support systems, and hydraulics. (U.S. Air Force photo/Airman 1st Class Andrew Moua)