Variable Angle Launcher Complex, CA State Highway 39 at Morris Reservior, Azusa, Los Angeles County, CA
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Significance: Morris Dam Test Facility (MDTF) was built at the Morris Dam Reservoir for the purpose of obtaining basic hydrodynamic data for use in design and development of Naval Ordinance, particularly air-to-water projectiles. The Variable-Angle Launcher (VAL) and its predecessor, the Fixed-Angle Launder (FAL) were a consolidated effort between the scientific and military research and development communities. The VAL was the only structure in the nation where full scale, air launched projectiles could be tested at high velocities and variable entry angles into a body of water. MDTF served as a valuable resource during WWII and the Cold War era, spanning over 50 years. This is a unique complex where the setting has been unaltered by major modern development. The design is unique and all of its material is original. The components exhibit high quality, professional workmanship typical of contemporary naval military facilities. The facility has retained its overall feeling and appearance from the Cold War Era maintaining a strong sense of time and place.
Survey number: HAER CA-169
Building/structure dates: 1943 Initial Construction