Try this link, u will need to translate but lots there...
http://otaghkhabar24.ir/news/19520
Here is a snip
According to the IRGC Aerospace Force Brigadier General Amir Ali Hajizadeh, the commander of the base that Iranian television showed Wednesday at a depth of 500 meters below ground to be away from possible enemy attacks.
According to him, this underground base not only bases in Iran. Of the base in all provinces and cities in the country.
Gen. Hajizadeh said: “missiles with different ranges on the thrower (trucks) at all bases deployed and ready for use and is waiting for the command of Commander-in-Chief (Ayatollah Ali Khamenei) is.
Gen. Hajizadeh said: “Iran has no plans to start any war but if the wrong enemy, missile bases like a volcano will erupt from the ground.
Tuesday, White House spokesman in Washington, said Emad ballistic missile tests by Iran, was likely to violate UN Security Council resolutions.
America’s government spokesman Josh Earnest said: “We have strong evidence on which the missile test is in violation of Security Council resolutions.”
America, in turn, said the State Department intends to raise this issue at the United Nations
.
Ernst also stressed that the case of the agreement relating to the nuclear program between Tehran and major powers in July was quite distinct
It doesn't do you any good to have underground missile basis when we can destroy all the entrances or exits.
Thanks