The U.S. Army has 490,046 active duty and 557,246 reserve and national guard. The U.S. Air Force has 309,339 active duty, 74,400 reserve, and 106,700 air national guard. The U.S. Navy has 326,046 active duty, and 107,115 reserve. Under the Navy, the U.S. Marines have 194,000 active duty and 40,000 reserve.