HERNDON, Va., Jan. 14, 2020 (GLOBE NEWSWIRE) -- ManTech (Nasdaq: MANT) announced today that it has been awarded a five-year $67 million task order to provide scientific and technical information support for the Systems Engineering Directorate (SED), Marine Corps Systems Command.

HERNDON, Va., Jan. 13, 2020 (GLOBE NEWSWIRE) -- ManTech (Nasdaq: MANT), a leading provider of innovative technologies and solutions for mission-critical national security programs, will participate in the Cowen 41 st Annual Aerospace/Defense & Industrials Conference on February 13 th in New York,

HERNDON, Va. , Jan. 07, 2020 (GLOBE NEWSWIRE) -- ManTech International Corporation (Nasdaq: MANT) will issue its fourth quarter fiscal year 2019 earnings press release after close of market Wednesday, February 19, 2020. Management will discuss financial results in a conference call beginning at 5