SWIDWIN, Poland -- Patients requiring immediate surgery are transported on a MH-47 Chinook helicopter from the 160th Special Operations Aviation Regiment (Airborne) to be treated by the Air Force Surgical Team at Dragunu Batalionas, Lithuania Sept. 24, 2010, as part of the Jackal Stone 2010 exercise. Jackal Stone 10, hosted by Poland and Lithuania this year, is an annual international special operations forces (SOF) exercise held in Europe. Its objective is to enhance capabilities and interoperability amongst the participating special operations forces and as well as build mutual respect while sharing doctrinal concepts. The exercise, which is coordinated with U.S. Special Operations Command Europe, includes Poland, Lithuania, Latvia, Croatia, Romania, and Ukraine participating in the exercise. (U.S. Army photo by Pfc. Christopher A. Calvert / Photo approved for Public release by SOCEUR PAO / MAJ James Gregory)