Best Writing On Old Corps Marines! This book is among the very few by an Old Corps/Old Breed Marine which focuses on life in the Marine Corps during that period most generally known and accepted as 'The Old Corps,' the period between the World Wars I & II. For me, being interested in Marine Corps history, the most interesting chapters in the book are the ones covering the Officers and Men of The Old Corps, and the cult of the rifle. Williams points out that no officer had attempted to record the daily life of that cloistered world of the ...