It was completely prohibited to get to the Vozrozhdeniye Island for an ordinary person in the Soviet times. You can't do it now either. The Ministry of Health of Uzbekistan and Gazeta.uz recommen refraining from visiting the island. Who knows which secrets and dangers are stored by the former military base?
The island is being penetrated by local poachers. Local saigas suffered more than others, which is now almost completely distinct animal type. The horns of this rare and harmless animal are valued in some countries as a medicinal product, but not yet proved by evidence-based medicine.