Fifteen other sailors were injured in the incident, Iran's navy said.
On Wednesday, Iran's Revolutionary Guard conducted a space launch and Trump threatened to "destroy" Iranian gunboats if they harass U.S. Navy ships.
The country has reportedly unveiled what experts described as a secret space program with a surprise launch.
U.S. policy stymies Iran's access to medicine and vital equipment, 32 members of Congress say in a letter shared exclusively with HuffPost.
Nearly 300 people have been killed and more than 1,000 sickened by ingesting methanol in the mistaken belief it protects against the new coronavirus.
A group of Democratic senators joined growing calls for Trump to ease punishing sanctions and provide aid to Venezuela and Iran amid the worsening pandemic.
President Trump said he "won't accept" that Levinson, who disappeared in 2007, has died. But administration officials said he may have passed "some time ago."
Roughly nine out of 10 of the over 18,000 cases of the new virus confirmed across the Middle East come from Iran.
The attack targeted the Iranian-backed Shia militia in Iraq, marking a major escalation in U.S.-Iran tensions.
There are 2,336 cases of the new coronavirus in Iran, including a top emergency official and at least 23 members of parliament.