Pakistan, June 19 -- Iran still holds a significant number of advanced missiles, according to Israeli intelligence officials. A senior Israeli intelligence officer told NBC News that only 65% of the missiles launched by Iran in the last 24 hours were intercepted by Israel's Iron Dome system-down from a 90% success rate just a day earlier. The decline highlights the growing challenge of intercepting Iran's faster, more advanced projectiles.

The official, who still receives daily government briefings, revealed that Iran is now using missiles equipped with high-speed capabilities and precision navigation systems. These technologies have reduced Israel's early warning time from 10-11 minutes to just 6-7 minutes, making interception more diffic...