Photographs from this book are featured in the movie "Lone Survivor". Which tells the true story of Operation Redwings. This book is the most complete photographic essay ever done on the training of the Navy SEALs. BUD/S as it is known is a lengthy progression of physical and mental challenges that requires the utmost in dedication. This book captures that commitment and gives the reader a real insider look at what it takes to become a Navy SEAL.