The 305th Military Intelligence Battalion is located at Fort Huachuca, Arizona. It consists of six companies, HHC, Alpha, Bravo, Charlie, Delta, and Echo. Its mission is to provide electronic warfare and signals intelligence (SIGINT) training to soldiers, sailors, airmen, marines, and officers. The battalion's initial entry training (IET) and advanced individual training (AIT) includes operator and maintenance courses on tactical and strategic intercept/electronic warfare (IEW) systems. A joint training environment, the battalion relies upon its Army, Navy, Marine, and Air Force instructors to provide electronic intelligence training.