The Army failed to properly oversee certain contracts for Ukraine aid, causing the Defense Department to take on most of the incurred costs and risk paying even more, a recent Pentagon inspector general audit found. The IG looked at 18 undefinitized contract actions, which added up to a total price tag of $6.2 billion and were awarded by Army Contracting Command in the span between Russia’s invasion on Feb. 24, 2022, and a year and a half into the war,...