The U.S. Secretary of State Mike Pompeo discussed Iran and maritime security with the Gulf allies on Monday.
A senior U.S. State Department official said that the United States is building a coalition with its allies to protect Gulf shipping lanes.
He said, the coalition would provide material and financial contributions.
The U.S. Navy is building a “Sentinel” programme for “proactive deterrence”.
Pompeo met with King Salman and Crown Prince Mohammed bin Salman in Saudi Arabia.
He made a trip to the region after President Donald Trump called off a military strike against Iran.
Pompeo and Prince Mohammed reiterated that the two countries stand side by side in confronting the hostile Iranian activities and in combating terrorism.
Tehran has denied any involvement in the terror attacks on the two Saudi oil tankers near the Strait of Hormuz.
The United States has protected the strait Strait of Hormuz for decades.