Defense Acquistions: Futher Action Needed to Improve Dod's Insight and Management of Long-term Maintenance Contracts

DOD spends billions of dollars annually to maintain complex weapon systems including aircraft, ships, ground-based systems, missiles, communications equipment, and other types of electronic equipment that require regular and emergency maintenance to support national security goals. Maintenance of this equipment is divided into three levels corresponding to the extent and complexity of these repairs?depot-level, intermediate, and organizational.