From its beginnings in 1942 as the 215th Signal Depot Company, the 3191st Signal Service Company (Radio Intelligence), and the 82nd Counter Intelligence Corps Detachment, the 313th Military Intelligence Battalion and/or its units fought in every armed conflict from World War II to the global war on terror. This book tells the story of the 313th Communications Reconnaissance Battalion, the 313th Army Security Agency Battalion, the 317th US Army Security Agency Battalion, the 313th Combat Electronic Warfare & Intelligence Battalion, and the 313th Military Intelligence Battalion (Airborne), exploring the integration, consolidation, refinement, and deployment of split-based multi-disciplined intelligence, reconnaissance, battlefield surveillance, and force protection operations. In addition, the book contains lists of the battalion's heraldic items, lineages and honors, Commanders, and Command Sergeants Majors and features firsthand accounts and photographs of battalion troopers.