Turkey’s two key Western allies, the United States and Germany, on Tuesday urged it to pull back a ship it has returned to waters contested with Greece, with Washington denouncing the “calculated provocation”.The Turkish navy said Sunday that the Oruc Reis exploration vessel was heading back to energy-rich eastern Mediterranean waters between the Greek island of Crete and Cyprus, weeks after it left amid an agreement for talks.In a strongly worded statement, the State Department said the US …