By Tyler Durden - " Zero Hedge "- With diplomacy having failed miserably to resolve the Russian annexation of Crimea, and soon East Ukraine (and with John Kerry in charge of it, was there ever any doubt), the US is moving to the heavy artillery. First, moments ago, the US DOE announced in a shocking announcement that it would proceed with the first draw down and sale of crude from the US strategic petroleum reserve, the first since June 2011, in what it said was a "test sale to check the operational capabilities of system infrastructure", but is really just a shot across the bow at Putin for whom high commodity prices are orders of magnitude more important than how the Russian stock market performs. And now, as Bloomberg just reported, the US has escalated even further, citing the Chairman of the Joint Chiefs of Staff, General Martin Dempsey, who "has claimed that in the case of an escalation of unrest in Crimea, the U.S. Army is ready to back up Ukraine and it