The Federal security service has published captured documents Taken from captured Ukrainian sailors after the incident in the Kerch Strait. for example, the boat "Nikopol" found document with the task covertly go From Odessa to Berdyansk. Special secrecy was ordered to provide from the Kerch-yenikalsky channel. in addition, on the same boat and found a hand written outline established by the Russian rules of navigation on Kerch-Yenikalsky channel. From this it follows that the Ukrainian sailors were well aware of the sequence of its passage. The FSB stresses that captured the warships of the Ukrainian Navy were several rocket-propelled grenades, tank and heavy machine guns, rifles, pistols, explosive devices and ammunition for firearms. "on the captured warships of the Navy of Ukraine were the following weapons and ammunition: 30 mm cannon