Military

The following sites represent military branches and related organizations around the world organized by primary operating environment.

Air & Space
United States Air Force	Official Website of the US Air Force
Air, Ground, & Naval
United States Army	Official Website of the US Army
United States Marine Corps	Official Website of the US Marine Corps
Naval
United States Coast Guard	The United States Coast Guard is a military, multi-mission, maritime service and one of the nation’s five Armed Services. Its mission is to protect the public, the environment, and U.S. economic interests – in the nation’s ports and waterways, along the coast, on international waters, or in any maritime region as required to support national security.
United States Coast Guard International Ice Patrol	The International Ice Patrol's core purpose is to promote safe navigation of the Northwest Atlantic Ocean when the danger of iceberg collision exists.
United States Navy	Official Website of the US Navy
Military Research
Defense Advanced Research Projects Agency (DARPA)	The Defense Advanced Research Projects Agency (DARPA) is the central research and development organization for the Department of Defense (DoD). It manages and directs selected basic and applied research and development projects for DoD, and pursues research and technology where risk and payoff are both very high and where success may provide dramatic advances for traditional military roles and missions.