The Air Force this week awarded United Launch Alliance two major fixed-price launch mission support contracts that represent the last remnants of a sole-sourced block-buy deal and, the service says, brings it into compliance with a fiscal year 2016 congressional requirement that it eliminate its practice of awarding cost-plus incentive contracts for mission support. The first contract, announced Monday, awards ULA a $1.18 billion Launch Operations Support contract for five Delta IV Heavy launches, and the second, awarded today, is...