The Defense Department inspector general is concerned the Air Force has not determined the full impact of its decision last year to cut 192 units of a key F-15 electronic warfare capability. The service in 2017 decided to scale back its plans to upgrade its F-15C and E fleets with the Eagle Passive Active Warning and Survivability System, opting to cancel the upgrade for the F-35C fleet and reallocate funds toward other air superiority needs. The decision reduced the program's...