Osprey squadrons activated The Air Force Special Operations Command (AFSOC) activated the 21st Special Operations Squadron (SOS) and the 753rd Special Operations Aircraft Maintenance Squadron (SOAMS) at Yokota Air Base, Japan, on July 1. Both units are assigned to the 353rd Special Operations Group, which is based at Kadena Air Base, Okinawa, Japan. Known as the ‘Dust Devils’, the 21st SOS will eventually operate 10 Ospreys. It last operated the Sikorsky MH-53M from RAF Mildenhall, UK, until it was inactivated in October 2007.

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