The San Jacinto Ordnance Depot was a United States Army ammunition depot that supplied the Army and Navy during World War II and the Korean War, located on a 4,954-acre reservation on the Houston Ship Channel 15 miles south of Houston, Texas. Its first commanding officer arrived on November 21, 1941; on June 1, 1942, the depot received its first shipment—four cars of propellant charges. The first commercial vessel was loaded on September 7, 1944. By December 31, 1945, it had received more than 329 million pounds of ammunition and had shipped more than 208 million pounds.