ANNEX "A" U-BOAT AND E/R BOAT SHELTERS 1. U-BOAT SHELTERS. REINFORCED CONCRETE (a) Channel and Atlantic Ports Location No. of Pens Estimated Capacity LORIENT 23 32 with maximum 41. boats 2-4 (under construction) ST.NAZAIRE 14 20 " " 26 " " +BREST 15 20 " " 25 " " La PALLICE 10 13 " " 16 " " +BORDEAUX 11 15 " " 19 " " (b) Norwegian Ports øTRONDHEIM 5 13 Further block under construction. øBERGEN 4 8 3 (under construction) (c) French Mediterranean Ports +MARSEILLES 14 Concrete shelters, construction not far advanced except for workshop block.