Official websites use .gov
Secure .gov websites use HTTPS
Multimedia driven stories and information about Defense Department programs.
Test what you know about how each military branch is structured.
Help the Marine Corps celebrate its 247th birthday! Test your knowledge of Marine Corps history and see if you have what it takes to become a Devil Dog.
What holiday do most Americans confuse with Veterans Day? Why is Veterans Day on Nov. 11? Test your knowledge — from World War I to today — to see how much you know about Veterans Day.
From humanitarian missions like the Berlin Airlift to commanding the skies over Bosnia, Korea and Iraq, the Air Force has been a vital part of the U.S.'s ability to maintain global security. Aim high and fly, fight and win your way to a 100% score!
Do you know what to do when disaster strikes?
Once known as ''war dogs,'' military working dogs serve in all branches of the military to scout, detect and protect. How much do you know about these four-legged service members?
To celebrate the anniversary of the signing of the Declaration of Independence, test your knowledge of several symbols associated with America.
See how much you know about the largest amphibious assault in history, a turning point for the U.S. and Allied forces in World War II.
Founded by the Continental Congress on June 14, 1775, the Army is the oldest branch of America's armed forces. See if your knowledge of Army ranks and insignia holds up under fire!
Formed Oct. 13, 1775, the Navy is America's second-oldest military service. How deep is your knowledge of Navy ratings and ranks?