Military

In the first reports released since North Korea announced its underground nuclear test on Monday, officials are saying they have found no evidence of a nuclear signature in the air above the blast site.

By Julia Layton

In 2007, Attorney General nominee Michael Mukasey came under fire for refusing to classify water boarding as torture. What does water boarding entail? Does it work?

By Julia Layton

The M-48 General George S. Patton Medium Tank was developed in anticipation of the Cold War and used in the Korean War. All M-48s were equipped with main guns that can fire a wide variety of ammunition types. Explore the M-48 Patton tank.

By the Editors of Publications International, Ltd.

The Cromwell A-27M Infantry Tank was fast and agile but still outmatched by opposition tanks. This tank featured a 57mm barrel that was bored out to accommodate a 75mm round. Learn about Britain's Cromwell A-27M Infantry Tank.

By the Editors of Publications International, Ltd.

The Centurion Main Battle Tank was heavily armed and used by many countries. This tank was the most heavily armored tank ever produced in the post-war years. Learn the history and design of Britain's Centurion Main Battle Tank.

By the Editors of Publications International, Ltd.

It was not until 1967 that the Israeli government turned its attention to the creation of a main battle tank, the Merkava. Israel and the surrounding area are either desert or rolling hills, which form ideal tank country. Read about the Merkava tank.

By the Editors of Publications International, Ltd.

The great legacy of the Messerschmitt Me 262 is that it inspired other air forces to adopt the jet fighter as standard, and moved engineers to utilize its layout for fighters and airliners. Learn more about this top World War II fighter plane.

By the Editors of Publications International, Ltd.

The name for the Junkers Ju 87 Stuka derived from Sturzkampfflugzeug, the generic German word for dive-bomber. So famous was the Junkers Ju 87 that the term Stuka came to be identified with it in Western eyes. Read the specs and uses for the Stuka.

By the Editors of Publications International, Ltd.

The Messerschmitt Bf 109 is one of few fighters ever to be developed from a light-plane design. Willy Messerschmitt's angular little plane was built in greater numbers than any other fighter. Read how the Bf 109 has been so successful and long-lived.

By the Editors of Publications International, Ltd.

The Douglas SBD Dauntless was a carrier-based dive bomber, a compact scrapper with a gift for sinking Japanese carriers and other large ships. Learn the specifications and how the Dauntless proved to be the supreme dive-bomber of the Pacific War.

By the Editors of Publications International, Ltd.

The North American B-25 Mitchell was efficient, easy to manufacture and repair, and able to do any job assigned to it. No other twin-engine bomber of World War II saw greater production. Learn the specifications and uses for this handsome bomber.

By the Editors of Publications International, Ltd.

The Curtiss P-40 Warhawk is one of the best-liked airplanes of World War II, tough and virtually trouble-free, though its performance was never quite up to that of its opponents. Read about this most important American fighter plane of 1942-1943.

By the Editors of Publications International, Ltd.

The Consolidated B-24 Liberator was the most prolific American plane of World War II. But the B-24 was not as attractive as the B-17 bomber, nor did it win the same popular regard from the public. Read the story and specifications of the B-24 bomber.

By the Editors of Publications International, Ltd.

The successes of the Mitsubishi A6M Zero during the first six months of World War II stunned Western observers. Its dominance was frightening, but soon surpassed. Learn about the rise and fall of the A6M Zero, and its unique design specifications.

By the Editors of Publications International, Ltd.

The North American P-51 Mustang spelled doom for the Luftwaffe. It was not only able to escort bombers on long-range missions and engage in dogfights, it could also drop and destroy the German Air Force on the ground. Read more on this pivotal plane.

By the Editors of Publications International, Ltd.

The Boeing B-29 Superfortress was the biggest, most expensive gamble by the United States during World War II, built with incredibly high expectations on a tight deadline. Read about the big advances in aviation technology brought about by the B-29.

By the Editors of Publications International, Ltd.

The F-117A is purely an attack aircraft, and lacks the arms and maneuverability for dogfights. The nature of its mission and the characteristics of the aircraft demand extremely skilled, well-trained pilots. Learn about the Nighthawk Stealth fighter.

By the Editors of Publications International, Ltd.

The tiny but potent Douglas A-4 Skyhawk remained in continuous production for 25 years, longer than any other warplane. Learn how this tough and nimble fighter came to be famous more for its peacetime activities than for its military accomplishments.

By the Editors of Publications International, Ltd.

The Lockheed SR-71 Blackbird first flew in 1964, and since that time it has remained the world's fastest aircraft. Tanks in the inner wings and upper fuselage carry the 80,000 pounds of special, superheated fuel.

By the Editors of Publications International, Ltd.

The General Dynamics F-16 Fighting Falcon had many advanced features, including a blended wing and fuselage, fly-by-wire controls, splendid visibility, and superb maneuverability. Read specifications and history of the popular F-16 Fighting Falcon.

By the Editors of Publications International, Ltd.

With video conferencing technology, soldiers can maintain contact with their families back home. Learn how the military uses video conferencing.

By Joe Wallace

John F. Kennedy called the green beret "a symbol of excellence, a badge of courage, a mark of distinction in the fight for freedom" -- a nod to the most formidable arm of the U.S. military. The Green Berets, or Special Forces, are America's first line of defense around the world.

By Josh Clark

Delta Force is the U.S. military's most elite tactical combat group. Yet the government refuses to deny its existence. Does a well-funded secret force that, allegedly, answers only to the president make the U.S. more secure or more vulnerable?

By Josh Clark & Sascha Bos

Code breakers use logic and intuition to uncover secret information. From ciphers in ancient Greece to modern computer encryption schemes, codes are becoming more complex and harder to solve. Who are the people breaking codes and how do they do it?

By Jonathan Strickland

The 2001 anthrax attacks, the first bioterrorist attacks in the United States, took five lives. Mail was stopped in several cities and it cost more than $1 billion to clean up the spores. So where does the U.S. stand if it's attacked again?

By Marshall Brain & Susan L. Nasr