MANAGUA, Nicaragua -- Conducting a preflight inspection in the cockpit, Chief Warrant Officer Christopher Green, of the 1-228th Aviation Regiment, prepares a CH-47 Chinook helicopter for departure here Sept. 22. From Sept. 15-24,the 1-228th supported Operation Continuing Promise, which is a four-month humanitarian and civic assistance deployment. (U.S. Air Force photo/Tech. Sgt. Benjamin Rojek)