ImagesMilitary Operation Jackal Stone 2009 A U.S Army MH-47 Chinook assigned to to the 160th Special Operations Aviation Regiment (Airborne), Fort Campbell, Ky., is refueled by a MC-130P Shadow airplane assigned to the 67th Special Operations Squadron, 352nd Special Operations Group based at RAF Mildenhall, England, as part of a helicopter aerial refueling mission over the Adriatic Sea as part of the Jackal Stone 2009 exercise being held in Croatia. (Photo by MSG Donald Sparks) September 28, 2009 Chris Carter 160th Special Operations Aviation Regiment, H-47 Chinook, U.S. Army