VAHPA 11-12-45 AAEE 14-12-45 full gunnery acceptance trials Suspended due to misaligned ammo belts. comparison trials with VN329 VA 1-10-46 mods and Cv 608S 'RAO-L' 22-7-48 602S 3-6-50 nes 16-6-53 sold VA 4-2-54