The Missile Defense Agency this month is set to award the first of nearly two-dozen contracts planned this calendar year worth almost $500 million to begin in earnest the race to develop and field by 2026 a new mobile missile defense system that draws on existing Navy and Army technologies to bolster Guam against advanced Chinese air threats. First, MDA plans in May and July to award 10 contracts worth $122 million in research and development funds appropriated in fiscal...