Taking the Arizona Learner's Permit Test? Ace It Without Any Problems With the Help of This Arizona Driver's Workbook.The driving exam features a variety of questions that will gauge your...
The epitome of grace, beauty and design, the Supermarine Spitfire was one of the most deadly fighters of WWII. Manufactured in huge numbers - over 20,000 were built - the Spitfire was the only figh...
The Indian Motocycle Manufacturing Co. began producing motorcycles in Springfield, Massachusetts in 1901 and quickly became the world's largest manufacturer. While the Harley-Davidson WLA was the ...
Just ten days after Alan Shepard Jr. became America's first man in space on May 5, 1961, President John F. Kennedy challenged the nation, suggesting that the United States should land a man on the ...
Developed and deployed in a short time due
to the pressure of the Vietnam War, Bell’s
AH-1 Cobra performed well; but Army
planners believed a better attack helicopter
would be needed in the next ...
During the Vietnam War fleets of transport helicopters provided U.S. forces with an unprecented level of mobility and proved the concept of “air cavalry”. But without adequate support, helicopters...
Created as an aid for the astronauts training for Skylab missions, this Skylab Saturn IB Flight Manual is a comprehensive reference that contains descriptions of ground support interfaces, prelaunc...
On October 4, 1957 at 10:28 Moscow time, a rocket carrying the world's first orbiting satellite roared into space, signaling a new era in human history and the beginning of the so-called "space rac...
Originally created in 1971 by NASA contractor Grumman, the Apollo Spacecraft News Reference (LEM) was intended to educate members of the media, government, and private sector contractors about one ...
Developed to replace the UH-1 Iroquis,Sikorsky’s UH-60 Black Hawk first entered service in 1979. A four-blade, twin-engine, medium-lift utility helicopter, the UH-60 serves as the U.S. Army’s prim...
The XB-70 Valkyrie was an aircraft ahead of its time. Equipped with drooping wingtips, and designed with one of the highest lift-to-drag ratios in aviation history, the XB-70 challenged the known c...
Designed by Wernher von Braun and Arthur Rudolph at NASA’s Marshall Space Flight Center, the Saturn V rocket represents the pinnacle of 20th Century technological achievement. The only launch vehic...
One of the few aircraft to fly in three wars - WWII, Korea and Vietnam - the Douglas A-26 / B-26 Invader gained fame as a light bomber. Designed by
engineer Ed Heinemann, the XA-26 prototype first...