Categories: Disambiguation Fort Buchanan, Arizona was located 3 miles west of present day Sonoita, Arizona in what is now called Hog Canyon. The Fort was located on the East slope of the canyon and under constant attack by Indians. ... The Army is the branch of the United States armed forces which has primary responsibility for land-based military operations. ... State nickname: The Grand Canyon State, The Copper State Other U.S. States Capital Phoenix Largest city Phoenix Governor Janet Napolitano (D) Official languages English Only State Area 295,254 km² (6th)  - Land 294,312 km²  - Water 942 km² (0. ... The Gadsden Purchase (shown with present-day state boundaries and cities) The Gadsden Purchase is a 29,640 mi² (77,700 km²) region of what is today southern Arizona and New Mexico that was purchased by the United States from Mexico in 1853. ... Fort Buchanan is a United States Army base located in Guaynabo, Puerto Rico. ... ... The 65th Infantry Regiment nicknamed The Borinqueneers; was an all volunteer Puerto Rican Regiment of the U.S. Army whose motto was Honor and Fidelity and which participated in World War I, World War II, and the Korean War. ... The United States National Guard is a significant component of the United States armed forces military reserve. ...