TACTICAL TROUBLESHOOTING U.S. Marine Corps Sgt. Ryan Kish, right, and Ugandan Cpts. Tony Okol, center, and Francis Mugungu, left, troubleshoot a tactical chat program that allows radio operators to send data over high-frequency radios during exercise African Endeavor, Oct. 1, 2009. Observing are, from left, Cpl. Keita Salifu from The Gambia, U.S. Navy Petty Officer 1st Class Eric Callen and U.S. Marine Corps Sgt. Christian Valencia. Kish is an exercise test network coordinator. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 090569-M-FNC51-217.jpg Photo Gallery