The Air Force is pushing back its final request for proposals for the UH-1N Huey replacement effort from this month until sometime this summer, a service spokesman said this week, and will release a second draft RFP in April. The Air Force's original strategy aimed to procure an off-the-shelf helicopter, but companies responded saying they would be unable to meet the minimum requirements without adding non-developmental items, service spokesman Capt. Mike Hertzog said in a Feb. 16 statement. The service...