From their birth in World War II as combat swimmers clearing the beaches of Normandy to their evolution into fighting men who could operate anywhere in the world by sea, air, or land, the intrepid story of the US Navy SEALs is one of courage, sacrifice, and world-renowned toughness that echoes of other great military units of history--the Spartans, the Roman legions, or the samurai. Take a look inside to find out what makes the SEALs America's deadliest warriors.

Forged in fire : becoming a Navy SEAL -- The birth of the Frogmen : Scouts and Raiders, NCDU/UDT [Naval Combat Demolition Unit / Underwater Demoltion Teams], and the heroes of D-Day -- Marching forward : UDT in Korea -- Forging the future : SEALS in Vietnam -- Lessons learned : Operation Urgent Fury -- Shaping the future : Operation Just Cause -- Heroism in abundance : Navy SEALS in Somalia -- Force of choice : Navy SEALS in the Global War on Terror -- Naval Special Warfare Development Group : an overview of [redacted] -- Medal of Honor : Navy SEALS above and beyond -- The current process of becoming a SEAL -- The Navy SEAL Warrior's Code and Creed.