 David Hathaway, Executive Vice President and General Manager of ManTechs Defense Sector With nearly two decades of experience in supporting ground vehicle readiness on successive programs, we have proven our ability to deliver true cradle-to-grave sustainment, maintenance and logistical support that ensures combat readiness for multiple families of vehicles. HERNDON, Va., Dec. 21, 2022 GLOBE ... The post ManTech Wins 862 Million U.S. Army Contract to Support Allied Logistics Engineering Cap... 