Civil contractors make the final technical checks on a German Bundeswehr armed forces Heron 1 unmanned aerial vehicle (UAV) before it takes off for a mission at the Marmal army camp in Mazar-e-Sharif, northern Afghanistan December 11, 2012. German air forces are using the reconnaissance drone aircraft for the ongoing International Security Assistance Force (ISAF) mission. REUTERS/Fabrizio Bensch (AFGHANISTAN - Tags: MILITARY CONFLICT TRANSPORT)