The U.S. is seeking "zero nuclear capability" from Iran, the White House said.

The presence of U.S. Navy Adm. Brad Cooper, the head of the American military’s Central Command, in his dress uniform at the talks in Muscat, the Omani capital, served as a reminder that the aircraft carrier USS Abraham Lincoln and other warships were now off the coast of Iran in the Arabian Sea.

Abbas Aragchi spoke after hours of talks in Oman ended, which the two countries entered with significantly different positions.

Iran seized two oil tankers Thursday while former Iranian minister Ezzatollah Zarghami threatened to make the Strait of Hormuz a "massacre and hell" for U.S. forces.

Iran and the United States are set for talks Friday in Oman over Tehran's nuclear program. This comes after Israel launched a 12-day war on Iran in June and Iran's crackdown on nationwide protests.

President Donald Trump said the United States had “very good talks” with Iran after delegations from both countries participated in indirect discussions in Oman Friday.

Iranian Foreign Minister Abbas Araghchi said on Saturday he hoped talks with the United States would resume soon, while reiterating Tehran's red lines and warning against any American attack.He

The U.S. and Iran have agreed to hold talks in Oman on Friday, officials for both sides said, even as they remained at odds over Washington’s insistence that negotiations include Tehran’s missile arsenal and Iran’s vow to discuss only its nuclear program.

U.S. and Iranian officials held indirect talks Friday over the Islamic Republic’s nuclear program in Oman as Tehran looks to find a diplomatic off-ramp to evade potential strikes threatened by President Trump.

Iran is skilled at prolonging negotiations over its nuclear program, and seems to be hoping President Trump is out for a quick win, rather than a prolonged regional war.