A tanker was struck by a projectile in the Strait of Hormuz as the U.S. and Iran continued exchanging threats with peace talks on hold.

Iran and Oman have presented to the U.S. a proposal for the administration of the Strait of Hormuz that includes the joint collection of administrative fees by the two Middle East nations, four sources told NBC News.

Disruption to shipping through the Strait of Hormuz has shone a spotlight on another critical maritime corridor half a world away. The Strait of Malacca — a narrow stretch of water between Indonesia and Malaysia that funnels trade past Singapore — carries more than a fifth of global seaborne trade.

Some experts say the Strait of Hormuz will not return to its pre-war state, so what could the future of this vital shipping lane look like?

The prospect of fees to transit the Strait of Hormuz has sparked alarm, not least by investors who fear it could be replicated in other maritime corridors.

On June 17, the US and Iran struck a deal to reopen the Strait of Hormuz, the world’s most important artery for shipping oil and natural gas, which was largely blocked after the two countries went to war in February.