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Science | Military | Branches

Learn about the various branches of the U.S. Military. Find out how they were formed, their role in the nation's defense, and what it's like to be a soldier in one of these branches.

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How is the National Guard different from the regular Army?

The National Guard serves many purposes and does many jobs for the United States. Learn what the National Guard is and how it differs from the Army and the Air Force.


Test Your Knowledge: Her Majesty’s Armed Forces Quiz

 Test Your Knowledge: Her Majesty’s Armed Forces Quiz

How much do you know about the British Armed Forces? Take our quiz on Her Majesty's Armed Forces. See more »

The British Armed Forces Quiz

 The British Armed Forces Quiz

Do you know how the British Armed Forces work in Merry Old England — or regular modern Great Britain? Quiz yourself at HowStuffWorks. See more »

The Royal Air Force Quiz

 The Royal Air Force Quiz

How much do you know about the Royal Air Force? Test your knowledge of the British armed force with this quiz at HowStuffWorks. See more »

Lieutenant, Sergeant or General: The Military Rank Quiz

 Lieutenant, Sergeant or General: The Military Rank Quiz

Do you know the difference between a captain and a general? Test your knowledge of military ranks with this quiz at HowStuffWorks. See more »

The U.S. Armed Forces Quiz

 The U.S. Armed Forces Quiz

The U.S. Armed Forces are the mightiest and most expensive military force on Earth. Prove your Armed Forces knowledge with this HowStuffWorks quiz. See more »

The United States Army Reserve Quiz

 The United States Army Reserve Quiz

The Army Reserve is an important component of the United States Army. See how much you know about the reserve force with this quiz at HowStuffWorks. See more »

The U.S. Army Quiz

 The U.S. Army Quiz

Do you know a lot about the U.S. Army? Test your knowledge with this quiz at HowStuffWorks. See more »

First to Fight: The Marine Corps Quiz

 First to Fight: The Marine Corps Quiz

How much do you know about the U.S. Marine Corps? Test your knowledge of the military branch with this quiz at HowStuffWorks. See more »

Test Your Knowledge: Defensive Military Tactics

 Test Your Knowledge: Defensive Military Tactics

In armed conflict, your best strategy may be defending a stronghold. Prove your knowledge on defensive military tactics with this HowStuffWorks quiz. See more »

Test Your Knowledge: Offensive Military Tactics

 Test Your Knowledge: Offensive Military Tactics

War calls for field commanders to take the fight to their enemies. Prove your knowledge on offensive military tactics with this HowStuffWorks quiz. See more »