... increase in overhead costs? Can you identify the main contributors to the overhead cost growth (e.g., retirement, health care, and other benefits)? Please tell us about the changes in the industrial ... SAF/AQ to learn the reason for the phenomenal cost increases of military fixed-wing aircraft over the past three decades. To that end, we analyzed the information available to the Navy and Air ... might have higher ownership cost. Although the nation, the Air Force, and the Navy understandably desire technology Options for the Air Force and the Navy to Reduce Fixed-Wing Aircraft Costs...