Unicorn - A mythological creature which looks like a horse with a horn coming out of its forehead. It is often associated with fables and fairy tales because of its enchanting appearance. As a tattoo it is hugely popular particularly amongst females.
United States Air Force (USAF) - This is common tattoo amongst US servicemen. It is depicted as an American Bald Eagle (sometimes with an American flag as a backdrop) holding a propeller in its talons and banner inscribed with USAF.
United States Army - The US Army is the largest component of the American Military machine. It is only natural that such a large organization would develop its own style of tattoo. But the mainstay of army tattoos seems to be the American Bald Eagle, the American Flag, canons and other military weapons. The most popular designs worn by US soldiers is similar to that of the USAF with Bald Eagle, Flag and banner inscribed USA.
United State Marine Corp - The Marines military regalia always seems to feature the Eagle, globe, anchor and small banner held by the Eagle proclaiming 'Semper Fidelis'.
United States Navy (USN) - The US Navy is the organization most associated with 'sailor' style tattoos that have become so prevalent and instantly recognizable. They are similar to USAF and US Army in that they feature an Eagle carrying the banner inscribed with USN and carrying an anchor below. The anchor is the symbol most associated with Navel men.