Complex sentence: A mine countermeasures vessel or MCMV is a type of naval ship designed for the location of and destruction of naval mines which combines the role of a minesweeper and minehunter in one hull.
Split into simpler sentences: A mine countermeasures vessel or MCMV is a type of naval ship tasked with the location of and destruction of naval mines. It combines the role of a minesweeper and minehunter in one hull.