TASC, Inc., formerly known as The Analytic Sciences Corporation, is an American private defense contractor based outside Washington, D.C., in Chantilly, Virginia.

The firm provided the U.S. government with modeling, simulation, analysis, and evaluation of integrated navigation and guidance systems for programs including the Trident submarine, Minuteman Missile, and the Space Shuttle.

It also established an economics and management sciences division in Rosslyn, Virginia, for analyzing and supporting government procurement activities.

[4] During the 1980s, TASC bought WSI Corporation, based in Billerica, Massachusetts, which provided real-time weather information to the public and private sector (including broadcast, aviation, and agriculture).

[4] As a result, in November 2009, Northrop Grumman sold TASC, its advisory services group, to investors led by General Atlantic and KKR for $1.65 billion.

The NDAA gives defense agencies unlimited rights to technical data arising from federally funded independent research and development.

[12] In October 2010, TASC won a contract from the FAA, capped at $827.8 million, to support the agency's transition to its Next Generation Air Transportation System.

[14] In April 2011, TASC won a single-award, five-year IDIQ contract, capped at $600 million, to support the Defense Threat Reduction Agency's Research and Development Enterprise.

[16] In May 2012, the U.S. Department of Homeland Security awarded TASC a $54 million contract to provide its Domestic Nuclear Detection Office (DNDO) with advanced systems engineering and integration and other decision-support services.

[17] In September 2012, the Defense Information Systems Agency awarded TASC a five-year indefinite-delivery/indefinite-quantity Test & Evaluation Mission Support Service contract.