Iran Update Special Report, April 2, 2026

(Institute for the Study of War) The combined force has begun striking targets in Iran beyond narrowly defined military targets, such as military vehicles or ammunition depots. The combined force struck the Darou Pakhsh Pharmaceutical Manufacturing Company and the Pasteur Institute of Iran in Tehran Province on April 1 and 2. The Japanese government has listed Darou Pakhsh and the Pasteur Institute of Iran as entities associated with Iranian biological and chemical weapons activities. The combined force has also recently targeted Iranian steel factories, which are critical for both Iran’s military production capabilities and the Iranian economy. US President Donald Trump stated that the United States’ “strategic objectives” for the war are “nearing completion” during a press conference on April 1. Trump said that the United States will continue the war effort until US objectives are “fully achieved.” Trump said that the United States will strike Iran over the “next two to three weeks” while indirect talks between the United States and Iran continue. US forces struck the B1 (Bileghan) Bridge connecting Tehran and Karaj, Alborz Province, on April 2 to disrupt Iran’s ability to transfer missiles to western Iran. A US official told Axios on April 2 that Iran used the bridge to transport missiles and missile components from Tehran to launch sites in western Iran. Iran has increasingly launched missiles from central Iran as the combined force has degraded its ability to launch missiles from western Iran. Iran may seek to transfer missiles to western Iran that do not have a sufficient range to reach Israel if they are launched from central Iran. Hezbollah may be increasing fire at Israel during Passover to impose psychological impacts on Israeli civilians. Israeli Defense Minister Israel Katz said on April 2 that Hezbollah Secretary General Naim Qassem will pay a “very heavy price” for “the intensified fire toward Israeli civilians as they…celebrate Passover.” – Iran Update, April 2, 2026 | ISW