
The U.S. Air Force plans to issue a request for proposals in June or July to extend the service life of hundreds of F-16 fighters, the service announced last week.The Air Force said it wants to extend the structural service life of up to 841 F-16C/D Block 40/42 and 50/52 aircraft to 13,856 equivalent flight hours, up from 8,000, according to a June 12 notice in FedBizOpps.“The F-16 structural service life extension program (SLEP) is intended to be a depot-level…