President Donald Trump said the U.S. was considering "winding down" its military operation against Iran, as Iran and Israel traded attacks on Saturday and Iranian media said the nuclear ‌enrichment facility in Natanz had been attacked.

In a social media post, Trump said the U.S. was close to meeting its goals but insisted that other countries should take the lead in policing the vital shipping lane of the Strait of Hormuz, whose near-closure threatens a global energy shock.

Trump and his administration have sent mixed messages about U.S. goals throughout the war, now entering its fourth week, leaving traditional U.S. allies struggling to respond.

In less than 24 hours, Trump suggested the war could wind down as the Iranian threat was being eliminated, while at the same time U.S. Marines and heavy landing craft were headed to the region on a mission whose goals were not immediately clear.

"We are getting very close to meeting our objectives as we consider winding down our great Military efforts in the Middle East with respect to the Terrorist Regime of Iran," Trump said on Truth Social.

"The Hormuz Strait will have to be guarded and policed, as necessary, by other Nations who use it — The United States does not!" he added. "If asked, we ⁠will help these Countries in their Hormuz efforts, but it shouldn’t be necessary once Iran’s threat is eradicated."