NEW DELHI, June 1 -- Admiral Krishna Swaminathan on Sunday took charge as India's 27th Chief of the Naval Staff, succeeding Admiral Dinesh Kumar Tripathi, who superannuated after 41 years of distinguished military service. "The Indian Navy stands vigilant to protect national interests and is very actively deployed in a regional security environment that continues to remain challenging, complex, unpredictable, and uncertain. It shall be my highest priority to ensure that the navy maintains the highest level of operational readiness and combat effectiveness so that it can protect the nation's security and economic interests wherever they may be," Swaminathan said. Before assuming charge as navy chief, he was the Flag Officer Commanding-in-Chi...