FORT SILL, Okla.– Constructed in 1939 ahead of World War II, Building 900 at U.S. Army Garrison, Fort Sill looks much the same from the outside as it did over eight decades ago. The building features the same historic architecture as neighboring buildings 912, 913 and 914. But behind the historic façade, the U.S. Army Corps of Engineers, Tulsa District, is overseeing and executing a high-tech modernization project that will make this one of the most structurally reinforced buildings on the installation.
As part of the Military Construction mission, USACE provides engineering, construction and project management support for military installations, helping deliver facilities that support readiness and quality of life for Soldiers. This...
08.19.2026 | FORT SILL, OKLAHOMA, US |
Story by Stacey Reese
Historical photo of Keystone powerhouse construction Sept. 22, 1965.
Keystone is one of eight hydroelectric power plants operated and maintained by the U.S. Army Corps of Engineers, Tulsa District. The powerhouse and power intake structure are located between the spillway and the left non-overflow sections and include two penstocks, each 27 feet in diameter, controlled by two 16- by 32-foot gates.
Today, we celebrate World Ranger Day and recognize the park rangers who protect public lands, support visitors and help us care for the lakes and recreation areas we all enjoy.
Copyright notice, this video contains music licensed to us via Megatrax.
