Science Division

Line Item Aleph Alpha, known more popularly as 'Science Division,' is an organization that operates within the United States Government, under the umbrella organization that is DARPA (Defense Advanced Research Projects Agency).
Science Division's purpose is to research, investigate and develop new and better technology for the improvement of the American people and the republic. The Division is more than just another researcher's nest of projects, Science Division concerns itself with building personnel who are soldier and scientist combined. These highly-trained and skilled individuals are then on loan to other branches of the US government, lending their expertise and martial skill as needed. 
References:
-http://www.darpa.mil/
-http://www.fictiondb.com/author/james-rollins~series~sigma-force~8154.htm
-http://www.imdb.com/title/tt1119644/