An air strike on Korosten by Russian troops on March 6 damaged the Skelya military site. After the air strike, the “Rock” object ceased to be suitable as a shelter. The military-historical complex “Rock” is a unique museum complex located in the dungeons of the former command post of the Korosten fortified area. In the regime of strict secrecy from 1934 to 1938 in the natural granite caves was designed and built command post Korosten fortified area UVO (UR№ 5). The name “Rock” for the name of the object began to be used after 1986, when the building was converted into a protective structure for the needs of civil defense of the city.