Two C-130 aircraft were lost during the operation, an official said.
President Donald Trump announced "major combat operations" against Iran on Feb. 28, with massive joint U.S.-Israeli strikes attack targeting military and government sites, officials said.
Watch special coverage on Nightline, "War with Iran," each night on ABC and streaming on Disney+ and Hulu.
Iran claimed its IRGC Nacy Command targeted the data centers of two major American companies in the region -- Oracle in Dubai and Amazon in Bahrain -- according to Iran's semiofficial Fars News Agency.
Israel claims to have targeted and killed a regional commander from one of Iran's ballistic missile units, according to a statement from the Israeli Defense Forces.
"In a precise strike in the Kermanshah area, the Israeli Air Force struck and eliminated Makram Atimi, the Commander of a central missile unit in western Iran," the statement from the IDF said.
Israel said it would continue to eliminate commanders of Iran's ballistic missile array.
"Atimi was responsible for the unit’s operations in the Kermanshah region in western Iran and carried out dozens of ballistic missile launches toward the State of Israel," the IDF said.
Iran has not confirmed Atimi's death.
President Donald Trump shared a 10-second video that he says shows the "biggest bridge in Iran" coming "tumbling down, never to be used again," in a social media post.
"IT IS TIME FOR IRAN TO MAKE A DEAL BEFORE IT IS TOO LATE, AND THERE IS NOTHING LEFT OF WHAT STILL COULD BECOME A GREAT COUNTRY!" Trump added in the post.
Israeli forces have killed at least 1,345 people and wounded another 4,040 in Lebanon since March 2, according to the Lebanese Ministry of Public Health.
In the last 24 hours, 27 people were killed and 105 others were injured, the health ministry said Thursday.
Among those killed since March 2 were 125 children and 53 health sector personnel, according to the health ministry. Among those wounded were 430 children and 137 health sector personnel, according to the health ministry.
