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During the early years of the Cold War, the most effective way to gather strategic intelligence about the Soviet Union and its allies was manned overflight. Lockheed's U-2 was spectacularly successful in this role, however, much to the concern of US President Eisenhower, its shape meant that it could be tracked on Russian radars. Given the highly sensitive nature of such flights, the President insisted that every effort should be made to reduce to zero the U-2's radar cross section (RCS), thereby making the aircraft invisible. When this was proven to be impossible, the stage was set for a U-2 replacement. Following a competition between Lockheed and Convair, the former was declared the winner and the result was the A-12. Designed to incorporate 'stealth' features before the term was even coined, the A-12 has to date proven to be the fastest, highest flying jet aircraft ever built. This book will also cover a two-seat variation of the design built as an advanced interceptor – the YF-12.
Lots of information on sightings and everything from a scientific angle about them. Compiled from Wikipediapages and published by DrGoogelberg
Two-volume collection of case studies on aspects of NACA-NASA research by noted engineers, airmen, historians, museum curators, journalists, and independent scholars. Explores various aspects of how NACA-NASA research took aeronautics from the subsonic to the hypersonic era.-publisher description.
In this book, Dr. Andras Sobester reviews the science behind high altitude flight. He takes the reader on a journey that begins with the complex physiological questions involved in taking humans into the "death zone." How does the body react to falling ambient pressure? Why is hypoxia (oxygen deficiency associated with low air pressure) so dangerous and why is it so difficult to 'design out' of aircraft, why does it still cause fatalities in the 21st century? What cabin pressures are air passengers and military pilots exposed to and why is the choice of an appropriate range of values such a difficult problem? How do high altitude life support systems work and what happens if they fail? What happens if cabin pressure is lost suddenly or, even worse, slowly and unnoticed? The second part of the book tackles the aeronautical problems of flying in the upper atmosphere. What loads does stratospheric flight place on pressurized cabins at high altitude and why are these difficult to predict? What determines the maximum altitude an aircraft can climb to? What is the 'coffin corner' and how can it be avoided? The history of aviation has seen a handful of airplanes reach altitudes in excess of 70,000 feet - what are the extreme engineering challenges of climbing into the upper stratosphere? Flying high makes very high speeds possible -- what are the practical limits? The key advantage of stratospheric flight is that the aircraft will be 'above the weather' - but is this always the case? Part three of the book investigates the extreme atmospheric conditions that may be encountered in the upper atmosphere. How high can a storm cell reach and what is it like to fly into one? How frequent is high altitude 'clear air' turbulence, what causes it and what are its effects on aircraft? The stratosphere can be extremely cold - how cold does it have to be before flight becomes unsafe? What happens when an aircraft encounters volcanic ash at high altitude? Very high winds can be encountered at the lower boundary of the stratosphere - what effect do they have on aviation? Finally, part four looks at the extreme limits of stratospheric flight. How high will a winged aircraft will ever be able to fly? What are the ultimate altitude limits of ballooning? What is the greatest altitude that you could still bail out from? And finally, what are the challenges of exploring the stratospheres of other planets and moons? The author discusses these and many other questions, the known knowns, the known unkonwns and the potential unknown unknowns of stratospheric flight through a series of notable moments of the recent history of mankind's forays into the upper atmospheres, each of these incidents, accidents or great triumphs illustrating a key aspect of what makes stratospheric flight aviation at the limit.
In 1955, the Central Intelligence Agency established a clandestine base of operations in the Nevada desert with a mission to protect the United States from a growing communist threat. Special projects at Area 51 were shrouded in mystery, and the first was one of the world's most famous spy planes, the U-2. It fueled half-truths, rumors and legends for more than half a century. Now with many details of that endeavor declassified, the real story can finally be told. Author and Area 51 veteran TD Barnes sifts fact from fiction in one of America's most protected origin stories.
The Central Intelligence Agency is essential in the fight to keep America safe from foreign attacks. This two-volume work traces through facts and documents the history of the CIA, from the people involved to the operations conducted for national security. This two-volume reference work offers both students and general-interest readers a definitive resource that examines the impact the CIA has had on world events throughout the Cold War and beyond. From its intervention in Guatemala in 1954, through the Bay of Pigs, the Vietnam War, the Iran-Contra Affair, and its key role in Afghanistan following the terrorist attacks of September 11th, 2001, this objective, apolitical work covers all of this controversial intelligence agency's most notable successes and failures. The content focuses on describing how a U.S. government organization that is unlike any other conducts covert warfare, surreptitiously collects information, and conducts espionage. The work allows for easy reference of former CIA operations and spies, looking at the positive and negative aspects of each operation and the "why" and "how" of its execution. The second volume provides documentation that supports and amplifies more than 200 cross-referenced entries. Readers will be able to understand the reasons behind the CIA's various actions, perceive how the agency's role has evolved across its 75-year history, and intelligently consider the viability and future of the CIA.
Area 51's most important military aviation developments are profiled in an illustrated format. When most of us think of Area 51, we think of aliens, UFOs, and controversial government cover-ups. It's easy to forget that, since the mid-1950s, the United States' famed extension of Edwards Air Force Base has served as a top-secret CIA testing ground for many of the most groundbreaking advancements in American military aviation technology. In Area 51 - Black Jets, author and military historian Bill Yenne offers the first fully illustrated chronology of Area 51's most famous aircraft projects, including Lockheed's U-2 "Dragon Lady" and SR-71 "Blackbird" reconnaissance planes, drones ranging from the early Lockheed D-21 to the modern-day General Atomics MQ-1 Predator, and the famous F-117 Nighthawk stealth fighter produced by the Have Blue program during the 1970s. Each project is given its own fascinating chapter illuminating the aircraft's development at this famed location. But beyond the aircraft themselves, Area 51 - Black Jets also covers a handful of the many classified experimental programs carried out at Area 51 over the years, such as Have Doughnut, Have Ferry, and Have Drill - secret undertakings that successfully reverse-engineered such enemy aircraft as the Russian MiG during the Cold War. Presented in beautiful hardcover format and illustrated with historic color and black-and-white photographs, diagrams, and maps, this book reveals Area 51 for what it truly is: a clandestine area for the United States' most cutting-edge technological innovators in military aviation.
The Lockheed Blackbirds hold a unique place in the development of aeronautics. In their day, the A-12, YF-12, M-21, D-21, and SR-71 variants outperformed all other jet airplanes in terms of altitude and speed. Now retired, they remain the only production aircraft capable of sustained Mach 3 cruise and operational altitudes above 80,000 feet.This is the first book to address the technical aspects of these incredible aircraft. The author describes the design evolution of the Blackbird, from the Archangel to the Senior Crown (the Air Force's SR-71.) He describes in detail the construction and materials challenges faced by Lockheed, as well as the Blackbird's performance characteristics and capabilities.A NASA historian, the author describes NASA's role in using the aircraft as a flying laboratory to collect data on materials, structures, loads, heating, aerodynamics, and performance for high-speed aircraft. The reader will benefit from the technical and programmatic lessons learned.This volume was produced in cooperation with the National Aeronautics and Space Administration.