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Bold Endeavors: Lessons from Polar and Space Exploration presents the results of 15 years of research for NASA and the Department of Defense concerning the factors that contribute to adjustment and sustained human performance under conditions of isolation and confinement. The research involved the study of previous space operations and conditions on Earth, such as submarines, Antarctic stations, polar expeditions ...

Conventional military wisdom holds that the amphibious assault against a defended beach is the most difficult of all military operations--yet modern amphibious landings have been almost universally successful. This apparent contradiction is fully explored in this first look at 20th-century amphibious warfare from the perspective of the defender.

The author, Col. Theodore L. Gatchel, USMC (Ret.), examines amphibious operations from ...