nobody read the sauce?
https://www.rt.com/news/460777-iran-missile-underground-bunker/
Is the flag there? Yes (i pointed the source)
Is it in Israel? I doubt it, but can't confirm (location undisclosed)
>Tehran has revealed a large and secretive underground facility, designed to safely store its missile arsenal and, apparently, to launch the projectiles as well, should the need arise.
>The video features a missile storage bunker at an [obviously] undisclosed location, as well as pre-launch maintenance and blast-off of a Qiam-1 missile. The projectile has been in service since 2010 and is said to have an operational range of some 750 km.