Soldiers at the Warsaw Armoured Brigade's base, Poland.REUTERS/Aleksandra SzmigielA US commander appeared to suggest UK special forces were operating in Ukraine.Gen. Bryan Fenton told The AP that the US was "taking a lot of lessons" from UK special forces in Ukraine.The UK Ministry of Defence declined to comment on the report.A US commander has appeared to suggest that UK special forces were operating in Ukraine.In an interview with The Associated Press, Gen.