San Pedro in Los Angeles in Los Angeles County, California — The American West (Pacific Coastal)
Fort MacArthur
Hey Rookie Pool
Fort MacArthur: Beginnings
1888
September 14, Executive order by President Grover Cleveland assigns unnamed Military Reservation to improve the defenses of the Los Angeles Harbor.
1897 & 1910
Additional military reservation land purchased. Geographically divided into three parts: The Lower Reservation, Middle Reservation, and Upper Reservation.
1914
World War I Begins.
October 31, Permanent Harbor defense officially named Fort MacArthur in honor of Lt. General Arthur MacArthur, Civil War Medal of Honor recipient and father of General Douglas MacArthur.
1914-1917
World War I hurries construction of training center. After WWI, Fort MacArthur is regularly used for training and housing of California National Guard units, Citizens Military Training Corps, Army Reserve units, and the Civilian Conservation Corps.
1918
World War I Ends.
1939
World War II Begins.
1941
February, the first 1,000 draftees arrive to Fort MacArthur.
December 7, Attack on Pearl Harbor. Fort MacArthur braces for imminent attack. Reports surface of enemy subs and airplanes spotted on West Coast.
Fort MacArthur: 1940's Heydays
1942
Ft. MacArthur Garrison write and produce "Hey, Rookie!" stage show to increase morale for the soldiers stationed here, a show "for the soldiers and by the soldiers". The show is an instant success and even runs for nine months at The Belasco Theatre in Downtown Los Angeles.
1943
With funds raised from the "Hey, Rookie!" stage show, the US Army Fort MacArthur Command build two swimming pools; one on the middle reservation and one here at the upper reservation.
1944
Olympians Howard and Velma Ploessel manage the "Aquacades" - Vaudeville type show headlining with the Southern California Aquabelles. The first "Aquacade" is performed on May 28, 1944. Highly popular, the second show has over 2,000 people packing the pool. Soon, the Aquabelles take their show on the road, raising $26 million in War Bonds.
1945
September, World War II ends.
Great Demobilization. Fort MacArthur continues as a training facility for Reserves. Never as active as it was during WWII.
Fort MacArthur: Serving the Community
1950s-1970s
After WWII, the pool serves as a recreation facility for the soldiers still based at Fort MacArthur. The military opens the pool to the public. Hey Rookie Pool becomes a local community treasure.
1975
Military transfers Lower Reservation (Cabrillo Marina) and Upper Reservation (Angels Gate Park) to City of Los Angeles. Department of Recreation and Parks takes over management of pool facility. Generations of families learn to swim at the pool.
1982
Middle Reservation becomes housing and Administration for US Air Force.
1980s-1990s
The original "Hey Rookie Pool" name falls out of use and forgotten. The pool becomes known simply as "Gaffey Pool".
1997
The 54-year old Gaffey Pool is drained and closed due to lack of funds which are needed for major repairs. The pool is decommissioned, leading to years of neglect, overgrown vegetation, and, unfortunately, vulnerability to vandalism.
2009
The Fort MacArthur Museum staff and volunteers secure a grant of nearly $7,000,000 from the Port of Los Angeles China Shipping Aesthetic Mitigation Fund to restore "Hey Rookie" Pool. Once again, the pool will serve the community, will pay tribute to the men of the "Hey Rookie" stage show that raised funds to build it, and be a recreational reminder of the sacrifices and dedication of the men of Fort MacArthur and the Harbor Defenses of Los Angeles.
2014
The City of LA and community collaborate to restore "Hey Rookie" Pool, and design a new recreational pool facility.
2015-2017
Pool restoration and new construction begins.
Erected by City of Los Angeles. (Marker Number 515.)
Topics and series. This historical marker is listed in these topic lists: Military • Parks & Recreational Areas. In addition, it is included in the Los Angeles Historic-Cultural Monument series list.
Location. 33° 42.841′ N, 118° 17.612′ W. Marker is in Los Angeles, California, in Los Angeles County. It is in San Pedro. It can be reached from Gaffey Street. Touch for map. Marker is at or near this postal address: 3601 S Gaffey St, San Pedro CA 90731, United States of America. Touch for directions.
Regionally, this marker is in California’s
Transverse Ranges. It is also on the American Pacific Coast. Globally, it is in North America, on the Ring of Fire, in the Pacific Rim, in the Western Hemisphere, in the Western World, and in the Anglosphere. Historically, it finds itself in what was once New Spain and also Mexicos Alta California.
Other nearby markers. At least 8 other markers are within 2 miles of this marker, measured as the crow flies: Korean Friendship Bell (about 800 feet away, measured in a direct line); Battery Osgood-Farley Historic Site (approx. 0.2 miles away); Stephen M. White (approx. half a mile away); a different marker also named Fort MacArthur (approx. 0.6 miles away); Point Fermin Lighthouse (approx. 0.6 miles away); Cabrillo Beach Bath House (approx. 0.6 miles away); Casa de San Pedro (approx. 0.7 miles away); S.S. Lane Victory (approx. 1.2 miles away). Touch for a list and map of all markers in Los Angeles.
Regarding Fort MacArthur. Fort MacArthur was added to the National Register of Historic Places in 1986, and designated Los Angeles Historic-Cultural Monument No. 515 in 1991.
Credits. This page was last revised on June 5, 2026. It was originally submitted on June 5, 2024, by Craig Baker of Sylmar, California. This page has been viewed 701 times since then and 96 times this year. Photos: 1, 2, 3, 4, 5, 6, 7. submitted on June 5, 2024, by Craig Baker of Sylmar, California.






