NEW YORK–(BUSINESS WIRE)–Tagup, a defense technology company delivering logistics decision advantage with next-generation AI, today announced the appointment of Lieutenant General Flem B. “Donnie” Walker Jr. (U.S. Army, Ret.) to its Defense Advisory Board. LTG Walker’s addition reinforces Tagup’s mission to deliver logistics decision advantage and strengthen military readiness amid growing sustainment challenges and increasingly contested operational environments. “Lieutenant General (Ret.) W