Military says it is hunting ballistic missile launchers aimed at Israel, striking nuclear program targets; Katz warns Iranian leadership is turning Tehran into Beirut

Some 50 Israeli Air Force fighter jets operated over the skies of Tehran throughout Saturday night, targeting facilities related to Iran's nuclear program.

Gen. Effie Defrin delivers address noting the IAF's accomplishments in Iran and how the Home Front's Directives to seek shelter during Iran's attacks saved lives.

Maj. Gen. Yadlin, who flew in the 1981 Osirak reactor strike, explains why Israel's current operation against Iran represents a complex, multi-week campaign.

Ten Israelis killed, at least 270 wounded across two days of Iranian strikes • Drone intrusion sirens blare in northern Israel • IDF targets top Houthi military leader

IDF international spokesperson Nadav Shoshani joins ABC News Live to discuss the exchange of missiles between Israel and Iran Friday night.

Looking ahead, the IDF warned that Iran’s damaged nuclear facilities could take months or even longer to repair.

Daniel Hagari among reservists returning to support the IDF Spokesperson’s Unit after the launch of Operation Rising Lion, a move made at the request of Brig. Gen. Effie Defrin.

Israel struck at the heart of the Iran's nuclear program, killing several nuclear scientists as well as high-ranking military leaders, according to Israeli officials. The U.S. did not provide any military assistance or have any involvement in the Israeli strike, a U.S. official told ABC News.

The ballistic missile fired by Iran contained hundreds of kilograms of explosives and caused a large amount of destruction.