The Navy's acquisition chief has asserted to Congress in a new report that the Marine Corps' $2.9 billion Ground/Air Task Oriented Radar effort is "on track" -- an assessment lawmakers requested last year citing concerns about poor early test results and major design changes to the program being developed by Northrop Grumman. Earlier this month, Navy acquisition executive Sean Stackley transmitted a six-page report dated May 2016 to congressional defense committees that looks beyond the "sub-par" developmental testing performance to...