41. The light anti-aircraft armament varied and could consist of one or two or one or two pairs of machine guns. 42. Beginning in mid-1940, her anti-aircraft armament was increased although when exactly the modifications were made is not known. 43. They were also large enough that they could accommodate significant additions to their anti-aircraft armament as well as modern radar suites. 44. The anti-aircraft armament was reinforced with the substitution of four anti-aircraft guns for the single twin 37 mm mount. 45. From the end of World War I onwards, battleships had to be equipped with many light guns as anti-aircraft armament . 46. The lock is 155 metre long, 25 metre wide, and 14 metre high; the roof features anti-aircraft armament . 47. She arrived in the United Kingdom in October and went to Liverpool for a refit that involved adding extra anti-aircraft armaments . 48. No further damage was sustained, with the aircraft driven off by the corvette's anti-aircraft armament on all four occasions. 49. Her anti-aircraft armament was increased, changes were made to her radar, and her watertight integrity in the stern was improved. 50. The first four had an original secondary anti-aircraft armament of twelve Bofors 40 mm anti-aircraft guns with Mk 51 directors.
