Defense startup Shield AI lands $12.7B valuation, up 140%, after U.S. Air Force deal shield ai Startups TC Technology Transportation Defense startup Shield AI lands $12.7B valuation, up 140%, after U.S. Air Force deal Julie Bort March 26, 2026 In one year, Shield AI's value has leaped 140%. This after it won a contract to be... Read More Read more about Defense startup Shield AI lands $12.7B valuation, up 140%, after U.S. Air Force deal