The crew of Ukrainian NAVY minesweeper U311 "Cherkasy" is resisting seizure of the vessel by Russian army in Crimea in 2014.The crew of Ukrainian NAVY minesweeper U311 "Cherkasy" is resisting seizure of the vessel by Russian army in Crimea in 2014.The crew of Ukrainian NAVY minesweeper U311 "Cherkasy" is resisting seizure of the vessel by Russian army in Crimea in 2014.