144 America's Hidden Heroes by Tom Hawkins, Retired Navy SEAL$14.99 (tax excl.)America’s Hidden Heroes–The History and Evolution of U.S. Navy Frogmen and SEALs By Tom Hawkins, USN (SEAL), Ret…. Quantity Add To Cart Tweet Description America’s Hidden Heroes–The History and Evolution of U.S. Navy Frogmen and SEALs By Tom Hawkins, USN (SEAL), Ret. Noted SEAL historian and retired Navy SEAL Commander Tom Hawkins recounts how today’s Navy SEALs can trace their capabilities and origins back to four formidable legacy units formed during World War II. For the first time in one volume are the stories of the Amphibious Scouts and Raiders (S&R), Naval Combat Demolition Units (NCDUs), Underwater Demolition Teams (UDTs) and the Office of Strategic Services Maritime Unit (OSS MU). Shopping Cart Back to Store 120 Pages Paperback 9 Inches x 6 inches