A Unindentified aircraft, was flying in Nevada restricted airspace, so USAF Nellis base, sended one F22 to understand situation.
When F22 pilot, come to an aircraft, it was a civil C172 flying in restricted airspace, it was so hard to escort C172 out of USAF airspace, because cessna was flying at 110 knots at FL105.
When C172 left restricted airspace, it was landed at KIFP airport, and then F22 was called back to Nellis Afb.