Sh1n (@hey_itsmyturn) reposted a post from @BenTzionMacales identifying the location as the Khomein missile base in central Iran.

This is in Khomein missile base, Central Iran

Geolocation:
📍 33.5569280, 50.1396420

The repost quoted Mehdi H. (@mhmiranusa), who described the newly released footage as dating from the “39-day war.” The account said one Iranian ballistic missile launcher exploded because of either an airstrike or a failure, while another missile was successfully launched from a nearby launcher.