The Air Force is forecasting a 13.5 percent unit-cost increase for a new F-15 self-protection capability because its fiscal year 2018 budget proposal reduced the project's quantity by 192 systems. The service has a requirement for 413 new F-15 Eagle Passive Active Warning and Survivability Systems (EPAWSS), which are built by Boeing and designed to help the Air Force protect against and counter electronic warfare threats in contested environments. The upgrade was planned for F-15 C- and E-model jets, but,...