"sweeps" . "swept for mines" . "mine sweeping" . "clearance" . "sweeping" . "sweeping mines" . "minesweeping" . "minesweeper" . "Minesweeping" . "minesweepers" . "Sweeps" . "mine countermeasures" . "Minesweeping" . . "sweep the surrounding waters" . "swept" . "mine clearance" . . . "mine countermeasure" . . . "mine clearing gear" . "mine-sweeping" . "Minesweeping#By ship" . "mine sweeping helicopters" .