Ensign 3 needs no introduction and every person with any sort of interest in warships will know the Flower corvette; the most famous type of escort vessel ever built. The class as a whole was worked so hard on convoy duty that by 1945 a large number of ships were completely worn out. Although uncomfortable in the extreme hey had one invaluable asset - they could turn sharper than a U-boat. his and a good radius of action made them formidable opponents.