BATTLEFIELD TRAINING Polish soldiers, serving with United Nations forces, provide security while a UH-60 Black Hawk helicopter lands during a battlefield circulation on Contingency Operating Base Ajiristan, Afghanistan, Jan. 20, 2010. The Polish soldiers are deployed to COB Ajiristan to teach the Afghanistan National Army soldiers combat life saving skills. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 309923-P-XFD96-027.jpg Photo Gallery