The Missile Defense Agency is delaying plans to award design contracts for a Next Generation Interceptor into early 2021, pushing a decision originally expected this month into late January or possibly early February that will winnow a field of three competitors to two for the multibillion-dollar contest to build a new intercontinental ballistic missile-killing interceptor, according to multiple sources. The move comes as the House-Senate conference version of the fiscal year 2021 defense authorization bill cuts $214 million from MDA's...