U.S. Navy Seaman April Schwertman emerges from the muddy water at the Jungle Warfare Training Center's "pit and pond" on the Jungle Warfare Training Center in Okinawa, Japan, April 24, 2015. U.S. Navy Seaman April Schwertman emerges from the muddy water at the Jungle Warfare Training Center's "pit and pond" on the Jungle Warfare Training Center in Okinawa, Japan, April 24, 2015. SHARE: Download: Full Size (1.21 MB) Tags: Photo Essays Credit: VIRIN: 760046-K-YBW00-359.jpg Photo Gallery