CACI International (NYSE: CACI) has completed its $550 million cash acquisition of the National Security Solutions business from L-3 Communications

Ball Aerospace and Technologies has bought engineering and analytical services provider Wavefront Technologies for an undisclosed sum as part of

SOS International has purchased defense and intelligence community contractor New World Solutions in an effort to expand its footprint within

A group of investors led by Carlyle Group (Nasdaq: CG) has closed its nearly $5.3 billion acquisition of Veritas from

Battle Resource Management Inc. has purchased information technology provider Clearsoft for an undisclosed amount as part of an effort to

Orion International, a military talent acquisition services provider to corporate clients, has purchased recruitment company Novotus for an undisclosed amount.

Reston, Virginia-based contractor Leidos Holdings (NYSE: LDOS) has agreed to a merger with the government information technology and services businesses

Rockwell Collins (NYSE: COL) has agreed to buy Christie Digital Systems™ Matrix series of projectors for an undisclosed sum in

PwC has acquired Scotland-based consulting firm Praxism for an undisclosed sum as the companies seek to help organizations secure data through identity

FireEye (Nasdaq: FEYE) has bought security threat intelligence company iSIGHT Partners for $200 million cash in a bid to help