NEW: Iran is reportedly using Russian-produced, possibly modified Shahed drones to target US bases & Gulf countries, according to Ukrainian intelligence.
The US-Israeli combined force cont'd to target Iranian military & internal security infrastructure across Iran.
🧵(1/8): isw.pub/IranUpdate03...
8/ Hezbollah claimed 31 attacks targeting Israeli forces and positions in northern Israel & southern Lebanon, as well as northern Israeli towns. The IDF has continued to conduct airstrikes targeting Hezbollah across Lebanon to degrade its ability to conduct retaliatory attacks against Israel.
7/ Neither US nor Iranian officials currently appear to be seeking a ceasefire agreement. President Trump told NBC News on March 14 that “Iran wants to make a deal,” but that he is not currently prepared to make a deal to end the war with Iran because “[Iran’s] terms aren’t good enough yet.”
6/ US and Israeli intelligence reportedly assess that the IRGC is making decisions because Supreme Leader Mojtaba Khamenei is wounded. CBS News reported on March 15 that the US Government believes that the IRGC is “calling the shots.”
5/ Iranian officials are attempting to obscure Iran’s responsibility for recent drone and ballistic missile attacks targeting Gulf states, likely to try to strain relations between the United States and Israel and Gulf countries.
4/ IRGC Aerospace Force Commander Brigadier General Majid Mousavi and Iranian media claimed on March 15 that Iran launched a Sejjil ballistic missile at Israel for the first time during the war.
3/ The US-Israeli combined force continued to target Iranian military and internal security infrastructure across Iran. CTP-ISW has observed strikes in six provinces since 3:00 PM ET on March 14.
2/ Ukrainian President Volodymyr Zelensky told CNN on March 15 that he has seen intelligence which “100 percent” confirms that Iran has used Russian-produced Shahed drones “with Russian details” to attack US bases in the Middle East.
NEW: Iran is reportedly using Russian-produced, possibly modified Shahed drones to target US bases & Gulf countries, according to Ukrainian intelligence.
The US-Israeli combined force cont'd to target Iranian military & internal security infrastructure across Iran.
🧵(1/8): isw.pub/IranUpdate03...
5/ Russian Offensive Campaign Assessment, March 15, 2026: isw.pub/UkrWar031526
4/ Ukrainian forces struck Russian oil and energy infrastructure. Russian forces launched 97 drones against Ukraine, including in Chernihiv, Sumy, and Kharkiv oblasts.
3/ Ukrainian forces recently advanced near Slovyansk and in Kostyantynivka. Russian forces recently advanced in the Kostyantynivka-Druzhkivka tactical area.
2/ A Russian milblogger claimed that some units in the Russian military are forcing their servicemembers to delete Telegram, contradicting some Russian officials’ statements that the Russian military would be allowed to continue using Telegram to support combat operations.
NEW: France reportedly will send Ukraine the newest version of the SAMP/T NG anti-aircraft missile system for battlefield testing against Russian ballistic missiles. 🧵(1/4)
Read more: isw.pub/UkrWar031526
3/ The combined force will need time to achieve its military objectives and prevent Iran from inflicting further political and economic pain upon the United States and its allies in the region, but the campaign remains incomplete.
2/ Iran has done some damage to US forces, and it is still firing drones and missiles. These attacks still pale in comparison to the major attacks Iran had sought to conduct and have caused neither operationally significant damage nor widespread casualties.
NEW | Special Report: The war in Iran is currently in a phase in which the military trajectory is relatively positive: the United States is steadily destroying Iran’s ability to use its most essential tool in the war. 🧵(1/4)
Read more: isw.pub/IranWarSRBSK
ISW-CTP will provide further analysis on the war with Iran in its March 15 Iran Update. Read ISW-CTP's latest analysis about the war here:
Iran has continued to target Israel and the Gulf states. CTP-ISW has observed several reports of Iranian missile impacts in central Israel, including in Ramla, Holon, Tel Aviv, Bnei Brak, and Ramat Gan. Iranian drones also struck a radar at the Kuwait International Airport. (4/5)
The LEC is Iran’s premier internal security and law enforcement service and the Basij is a paramilitary force that is responsible for civil defense and social control. (3/5)
The combined force reportedly targeted an Artesh Air Force airbase in Khuzestan Province and an unspecified airbase in Hormozgan Province, an IRGC Navy ammunition depot in Bushehr Province, a Law Enforcement Command (LEC) station in Tehran, and unspecified IRGC and Basij sites. (2/5)
NEW: The combined force continued to strike military and internal security sites across Iran on March 14 and 15. (1/5)
Read ISW-CTP's latest analysis about the war: understandingwar.org...
4/ Hezbollah claimed 43 attacks targeting Israeli forces and positions in northern Israel and southern Lebanon, as well as northern Israeli towns. This marks the highest number of attacks that Hezbollah has claimed in a 24-hour period since the start of the war.
isw.pub/IranUpdate03...
3/ The United States struck Iranian military infrastructure on Kharg Island in Bushehr Province on March 13, in part to degrade Iran’s ability to threaten shipping in the Strait of Hormuz.
2/ Neither Iran nor the United States is prepared to hold discussions to reach a ceasefire despite mediation efforts by Oman and Egypt, according to Iranian, regional, and White House officials speaking to Reuters on March 14.
NEW | Iran Update: Israeli and US officials told Axios on March 13 that Israel is planning to “significantly expand” its ground campaign in Lebanon to dismantle Hezbollah infrastructure south of the Litani River. isw.pub/IranUpdate03...
3/ UA forces are intensifying their mid-range strike campaign, increasing their ability to contest RU missile strikes, degrade RU air defenses, and disrupt offensive operations ahead of an expected RU spring-summer 2026 offensive.
UA forces maintained positions or recently advanced near Slovyansk.
2/ Ukrainian forces continued long-range strikes against Russian military and oil infrastructure overnight on March 13 to 14.
NEW: Russian forces conducted a large-scale series of drone and missile strikes against Ukraine on the night of March 13 to 14 that caused significant civilian casualties in Kyiv City.
Russian Offensive Campaign Assessment, March 14, 2026: isw.pub/UkrWar031426
More Key Takeaways ⬇️ (1/3)