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.


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 »

The Global Firepower Quiz

The Global Firepower Quiz

Are you familiar with Global Firepower's world military rankings? Test your knowledge of countries' military might with this quiz at HowStuffWorks. See more »

5 Countries That Ditched Their Military Forces

5 Countries That Ditched Their Military Forces

Why would a country choose to ditch their military forces? Learn about 5 countries that ditched their military forces and why they got out of the business. See more »

Quiz: Name That Military-free Country

Quiz: Name That Military-free Country

Believe it or not, a number of countries around the world have either disarmed their militaries or never formed one in the first place. Test your knowledge of the world's nonmilitary powers. See more »

How IARPA Works

How IARPA Works

IARPA is a U.S. government research and development organization intended to aid the U.S. intelligence community. Learn more about IARPA and its goals. See more »

How Delta Force Works

How Delta Force Works

Delta Force is the United States' most elite tactical combat group. Learn about Delta Force and the secrecy surrounding the Delta Force team See more »