British Royal Navy Vought <i>Corsair I</i> fighters fly in formation, during training for their pilots in the United States, September 1943. The planes were operating out of Naval Air Station Brunswick, Maine (USA). These planes were British versions of the U.S. Navy F4U-1.
Lieutenant Charles Fenno Jacobs, U.S. Navy
Official U.S. Navy photo <a rel="nofollow" class="external text" href="http://www.history.navy.mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/80-G-473000/80-G-473440.html">80-G-473440</a> from the U.S. Navy <a rel="nofollow" class="external text" href="http://www.history.navy.mil">Naval History and Heritage Command</a>