HERNDON, Va., June 29, 2020 (GLOBE NEWSWIRE) -- ManTech International Corporation (Nasdaq: MANT) will issue its second quarter fiscal year 2020 earnings press release after close of market Wednesday, July 29, 2020. Management will discuss financial results in a conference call beginning at 5

HERNDON, Va., June 15, 2020 (GLOBE NEWSWIRE) -- ManTech (NASDAQ: MANT) today announced the appointment of Matt Tait as Chief Operating Officer (COO) effective July 1, 2020, a new role in which he will report directly to Kevin M. Phillips, ManTech’s President and CEO.  In addition, the company is

HERNDON, Va., June 10, 2020 (GLOBE NEWSWIRE) -- ManTech (Nasdaq: MANT) announced today that it has been awarded a $66 million task order by Naval Air Warfare Center Aircraft Division (NAWCAD) Webster Outlying Field (WOLF) Special Communications Mission Solutions (SCMS) Division for systems