The U.S. has deployed fighter jets to Guyana, drawing its military footprint into the world’s fastest-growing offshore oil province as tensions with neighboring Venezuela escalate, as Washington adjusts its regional posture to accommodate the changing balance of power in the south Caribbean due to newfound oil wealth. The move comes as ExxonMobil and partners Hess and CNOOC continue expanding production from Guyana’s Stabroek block, which already exceeds 650,000 barrels per day and is forecast to reach 1.3 million bpd by 2027.…