#OTD 1943 duties off Dover now completed, the 9th MSF Bangors are now performing a similar sweeping task off Portsmouth, clearing a channel to allow destroyers & coastal forces to safely transit our minefields to intercept a high value cargo vessel expected soon off the coast of N. France. Op VALUABLE #Sweepers80 #WW2 #SWW #RN #NavalHistory #Histodons