5. Shipping. Particulars of the Dutch and Belgian Mercantile Marine are given in Appendix I. It is reported that at the present time considerable Dutch tonnage is held up in home ports. We need all the shipping we can get and Dutch shipowners might be open to offers to charter on reasonable terms, as the high rate of war risk insurance is driving them out of business. 6. Docks and Harbours. Particulars of the docks and harbours in Belgium and Holland are given in Appendix I. It would be desirable to deny the use of these facilities to the enemy by destroying them.