Four days of joint exercises begin in Gulf of Oman, amid tensions over nuke deal's unraveling; regime says 'cooperation and unity' with its allies 'show Iran cannot be isolated'

Exercises to be held December 27-30 at Gulf of Oman, amid tensions over nuke deal's unraveling; Tehran says the goal is 'fighting terrorism and piracy'

Making use of the election recess, members of the security force simulate emergency scenarios at Home Front Command training site