The Air Force has again pushed back the solicitation for a capability upgrades contract to modernize its new personnel recovery aircraft -- the HH-60W Combat Rescue Helicopter -- as the program continues to determine its needs. The Air Force told interested vendors during an industry day last November it would release a request for proposals in May 2020 and award a contract in September 2021 but, by this past summer, decided to postpone both these timelines by about six months...