During World War II, Fort Hunt was transformed into a U.S. military intelligence interrogation center, which was code named P.O. Box 1142. Originally, Fort Hunt was built along the Potomac River during the Spanish-American War to defend Washington D.C. The land was once part of George Washington’s River Farm and is located in between Alexandria and Mount Vernon. The history of P.O. Box 1142 was kept secret for five decades until documents were declassified in the 1990s. The fort held high rankin