completion of these courses and passing grades on service-wide examinations in each rating. Chief Petty Officer Academy The United States Coast Guard operates the Chief Petty Officer Academy at the Training Center Petaluma. This academy trains chief petty officers for the Coast Guard and master sergeants for the U.S. Air Force. Enlisted Coast Guardsmen who have advanced to chief petty officer, must attend the Chief Petty Officer Academy, or an equivalent Department of Defense school, to be advanced senior chief petty officer; United States Air Force Master sergeants, as well as international students representing their respective maritime services, are also eligible to attend the academy. The basic themes of this school are: Professionalism Leadership Communications Systems thinking and lifelong learning Other Advanced Training Other schools offered include advanced leadership training in course design, instructor development, professional development as well as instructional systems training. History The U.S. Army built a top-secret communications station on this site during World War II. The facility was one of the major radio intercept posts in the United States, referred to by a Monitoring Station Designator. To deter Japanese attention and to fool aerial reconnaissance, the station was camouflaged to look like a local dairy farm, named "Two Rock Ranch" with most operations occurring underground in concrete tunnels and bunkers. Above ground buildings, including command buildings, were built to look like farmhouses, barns and other outbuildings common to the area. The Coast Guard beat out several other interested parties including the California Highway Patrol for the surplus property after modern technologies and changing threats made the station obsolete, and took possession during a change-of-command ceremony on July 1, 1971. "Training Center Petaluma" was chosen as a name over several others because Petaluma would be more easy to find on a map to traveling personnel than Two Rock. In the mid 1990s, the base twice faced closure under the Base Realignment and Closure Act, but was saved thanks in part to significant local community support, the closure of the Coast Guard Training Center at Governors Island, New York and a surge in recruits following the September 11th, 2001 attacks. Community Involvement Training Center Petaluma plays a large roll in the local community. A significant population of the employees both civilian, military and others live throughout Sonoma and Marin counties. The Coast Guard Fire Department is tied into local emergency dispatch and frequently provides mutual aid to the