New Delhi, June 17 -- The naval mission for the Strait of Hormuz that U.S. allies are proposing as a follow-up to a deal to end the Iran war would aim to reassure crews and shipping insurers that vessels can safely navigate the narrow waterway again, by removing any explosive mines and potentially providing military escorts.

France and Britain have been working on the plans for months. French President Emmanuel Macron floated the idea back in March when the war was raging, saying warships could escort tankers and container ships through the maritime chokepoint when the conflict dies down.

U.S. President Donald Trump told Macron on Monday at the Group of Seven summit that he doesn't see a need for "much help" because the strait is "going...