IDF: destroyed over 80% of Iran's air defense systems; ~40 defense industrial sites struck in 2 days

The IDF stated on March 30 that it has destroyed more than 80 percent of Iran's air defense systems. The IDF continued its campaign to achieve total air dominance over Iran by striking an air defense installation in Mazandaran Province in northern Iran — extending coverage beyond Tehran's immediate air defenses to cover the Caspian coastal zone. An Israeli military correspondent reported that the IDF has struck approximately 40 defense industrial sites in the past two days alone, targeting Iran's industrial capacity to produce ballistic missiles and drones. The strikes on defense industrial sites have likely degraded Iran's ability to replenish its missile and drone inventory. This is consistent with Hegseth's March 31 statement that the last 24 hours saw the 'lowest number of missiles fired by Iran' since the war began, and Gen. Caine's statement that the US is delivering precision strikes against manufacturing nodes 'deep within Iran.' Trump told the Financial Times on March 30 that the combined force has struck 13,000 targets since the war began on February 28, with around 3,000 targets remaining. WH Press Secretary Leavitt stated the US has destroyed 150 Iranian vessels including 92% of Iran's largest vessels. ISW/CTP assesses that strikes on defense industrial sites are a key factor in the gradual reduction of Iran's strike capacity.