According to an analysis of the video from the scene, which shows a powerful secondary detonation, this could, with a high probability, be the warehouse where the Kh-101 and Kh-555 cruise missiles ...

The first 555 timers, the NE555V/SE555T from Signetics ... Perhaps the most common use is as an astable multivibrator or RC relaxation oscillator. In this role, an external resistor and capacitor ...