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2. List of the United States Army munitions by supply catalog ...

   en.wikipedia.org/wiki/List_of_the_United_States...

   Usually one round in five or ten was tracer, to show the gunner the trajectory; pre-War belts used a 1-in-10 mix and War and Post-War belts used a 1-in-5 mix. T1ECT = 1,500 cartridges .30-06 linked (4 × AP M2, 1 × TR M1) 250-rounds in M1 links in a carton, 6 cartons per metal-lined wooden chest M1917.

3. 1.1-inch/75-caliber gun - Wikipedia

   en.wikipedia.org/wiki/1.1-inch/75-caliber_gun

   The 1.1"/75 caliber gun was an American anti-aircraft weapon of World War II, used by the United States Navy. [3] The name means that it had a bore diameter of 1.1 in (28 mm) and barrel caliber of 75 (1.1 inches × 75 = 82.5 in (2.1 m)).

4. Diving weighting system - Wikipedia

   en.wikipedia.org/wiki/Diving_weighting_system

   Weight belts are the most common weighting system currently in use for recreational diving. [17] Weight belts are often made of tough nylon webbing, but other materials such as rubber can be used. Weight belts for scuba and breathhold diving are generally fitted with a quick release buckle to allow the dumping of weight rapidly in an emergency. [7]

5. HMS Lion (1910) - Wikipedia

   en.wikipedia.org/wiki/HMS_Lion_(1910)

   The upper armour belt had a maximum thickness of 6 inches (152 mm) over the same length as the thickest part of the waterline armour and thinned to 5 inches (127 mm) abreast the end turrets. The gun turrets and barbettes were protected by 8 to 9 inches (203 to 229 mm) of armour, except for the turret roofs which used 2.5 to 3.25 inches (64 to ...

6. USS Arkansas (BB-33) - Wikipedia

   en.wikipedia.org/wiki/USS_Arkansas_(BB-33)

   The secondary battery was reduced to six 5-inch/51 cal guns. Also, 36 40 mm Bofors anti-aircraft (AA) guns (in quadruple mounts) and 26 20 mm Oerlikon AA guns were added, the experience at Pearl Harbor having made the US Navy aware of the need for increased light AA armament. The 3-inch/50 caliber gun armament was also increased from 8 guns to ...

7. HMS Vanguard (23) - Wikipedia

   en.wikipedia.org/wiki/HMS_Vanguard_(23)

   The thickness of the main belt was reduced by 1 inch (25 mm) to save weight, but the primary method chosen to reduce the draught was to increase the beam by 2.5 feet (0.76 m). This exceeded the width of the docks at Rosyth and Plymouth , which severely limited the number of docks that could handle the ship, but the changes were approved by the ...