Navies around the world engage in surface and sub-surface military operations at sea. Learn how aircraft carriers, carrier battle groups and next generation destroyers work.
F-35As Put to the Test in First-ever 'Elephant Walk'
Recovered 'Lost Squadron' Plane Leads to New Mystery
How do they deice airplanes?
What does an Army combat engineer do?
Does Army experience help your civilian career?
How Army Reconnaissance Jobs Work
Why Nerve Agent Novichok Is So Deadly
How Tear Gas Works
How Agent Orange Worked
U.S. Military Dogs Usually Outrank Their Handlers
Coast Guard Rescue Swimmers Risk All to Save Lives
Why Smoking Rates in the Military Are So High
What Is a Vacuum Bomb and Is Russia Using Them in Ukraine?
How Israel's Iron Dome Defense System Works
Tsar Bomba: The Most Powerful Nuclear Weapon Ever Built
What Are Ghost Guns and Why Are They So Dangerous?
How Bulletproof Are Bulletproof Vests?
Half the World's Gun-related Deaths Occur in Just 6 Countries, Including the U.S.
What Are the Mysterious 'Havana Syndrome' Attacks in D.C.?
Hypersonic Missiles Fuel New Global Arms Race
What Are 'Low-yield' Nuclear Weapons?
10 Financial Tips for Preparing for Deployment
How Military Video Conferencing Works
What Does Russia's Partial Military Mobilization Mean?
Want to Fight for Ukraine? Here's What You Need to Know
How You Can Help Veterans Every Day
Does the U.S. Military Maintain Secret Underwater Bases?
10 Insane Disguises That Actually Worked
How Code Breakers Work
YOU Can Drive a Tank!
Do we still need nuclear submarines?
Type 61 Main Battle Tank
Students at the actual TOPGUN school aren't as cocky as the characters in the movies, but the fictional version gets a lot of other things right.
Puerto Rico is finally getting much-needed aid after Hurricane Maria, and much of that is coming from USNS Comfort.
Aloft in the 1930s, the helium-filled USS Akron and Macon were aircraft carriers that docked biplanes. Today both rest beneath the waters off California's Pacific coast.
Submarines are built in a dry dock just like other seagoing vessels. Take an inside look at these fully submersible wonders of technology.
By Rick Mayda
Fanciful ideas of underwater submersibles fascinated engineers centuries before the nuclear submarine ever took shape. How did the nuclear submarine evolve? And what, exactly, makes it nuclear?
By Tom Scheve
The Zumwalt is the military's class of next-generation destroyers. Find out how the Zumwalt class destroyer works and learn about Zumwalt technology.
Nations are facing a more guerilla-style warfare – even at sea, and the equipment must evolve to meet new demands. Enter the Sea Fighter. Learn about this experimental, high-speed, "invisible" ship.
By Kevin Bonsor
How does one of the most valuable pieces of military equipment travel around the world? When they move, an entire fleet of protective air and water craft moves with them. Learn all about carrier battle groups.
The crew of the USS Abraham Lincoln returned home this week, after a wearying 10 months at sea. Take a tour of the U.S. military's most monumental machines, from flight deck to hangar bay to engine room.
By Tom Harris
The U.S. Navy's new subs will use photonics masts instead of periscopes. Learn how these imaging devices will work.
By Kevin Bonsor