Object 1975

1975. A group of Soviet scientists has developed a unique weapon of mass destruction - a virus capable of suppressing the human mind within one hour. Despite the success of the experiment, one day the government announced the halt of the project. The object was urgently conserved, documents were strictly classified, and scientists involved in the development were declared missing... 2023. The Delta military unit is sent to inspect the object. Fifteen minutes after the start of the operation, a distress signal was received from the military, and equipment detected the sounds of inhuman beings. No one involved in the operation has responded since. Your task is to find out the location and condition of the military. And remember, in case of infection, you have a limited time to take an antivirus, otherwise your mind will be destroyed...