Iran and Israel, are both holding large-scale drills within their borders.

Iran's three-day military exercise is code-named "Jerusalem 22". It's being held at Es-fahan, where its Nuclear Technology Center is located. Troops, are participating in defense drills in case of attacks. They're preparing for a day or night barrage. Meanwhile, Israel is holding a dress rehearsal for disasters that might threaten them.

The drill, will test the response of soldiers, emergency crews and civilians to simulate missile barrages, terrorist attacks and chemical strikes. The five-day exercise, is the biggest in Israel's history. The country denies the exercise is in preparation for war.