One-third the quantity. Dredge with.

AFT OBSERVATION WINDOWS BAY-MOUNTED FLOODLIGHTS (3 PER SIDE) OPTIONAL *FIELD OF VIEW FROM MANIPULATOR OPERATOR STATION * AFT OBSERVATION WINDOWS TL U FIELOS OF VIEW CAN BE INCREASED BY MANIPULATOR OPERATOR STATION * AFT OBSERVATION WINDOWS TL U FIELOS OF VIEW CAN BE INCREASED.