Show As british merchant ships swarm the seven seas f P A A KEY TO NUMBERS I britis h ports 7 sou south america AP R B ships all boosts 40 nm 0 rj 2 and africa 8 30 badt ports 9 ind az A western 3 europe 43 10 china copon topon a 8 4 J med ervi nean bost ind 59 ports 41 11 29 5 condida and V S 12 new 22 ON ut 68 13 chod and U S af 6 west indies 25 wed coast lc S I 1 A lum 5 0 evl 41 A 4 11 VZ PA 0 A os OP 4 aft X fa 0 A Rs r FEE r IMA A FYI Z 4 A VI A OAR EY A swarming over the seven seas on any given day are 1 1545 british merchant ships easy prey for nazi 4 sub submarines marmes another british merchantmen are in foreign ports on the same day As vital to british life lines as her navy the cargo carrying vessels cruise over 90 miles of ocean and sea lanes to peace time england the merchant fleet carries almost 48 per cent of all her food today it must bring the same food plus steel oil guns planes and war essentials it s a huge job for england to convoy those 1545 ships daily key to the numbers on the map shown in inset |