An Air Force requirement to sustain the B-1 Lancer aircraft for close to three decades is leading the service to seek upgrades and life-extension options for the bomber's engine, the F101 motor produced by GE Aviation. As announced in a Dec. 19 sources-sought synopsis and updated in a posting today on the Federal Business Opportunities website, the Air Force will be convening an industry day on Jan. 14 "to inform the business community the USAF F101 Engine Program Office, Tinker...