Many other nations such as the British, Germans and even Japanese had cannon armament, but the United States mostly stayed with. 50 caliber machine guns, right through to the F-86 Sabre jet.

许多其他国家如英国，德国和日本甚至装备了大炮，但美国多数停留在0.50口径机枪，有权通过的F - 86军刀喷气式飞机。

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It was a significant improvement, with a bubble canopy providing much better rear visibility and four 20mm cannon for increased firepower compared to the Hellcat's six 0.50 caliber machine guns.

这是一个重大的改进，以泡沫林冠后方提供更好的可视性和4个20毫米火炮的火力相比增加的Hellcat六个0.50口径机枪。

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The jeep is armed with Browning machine guns, both . 30 and . 50 caliber.

吉普车加装了.30和.50两种口径的“博朗宁”重机枪。

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Teams of Marines backed by Cobra attack helicopters, .50-caliber machine guns, grenade launchers and TOW missiles patrolled the area around the camp, carrying photographs of al Qaeda leaders with them.

CNN: U.S. Taliban fighter held at Marine base in Afghanistan

Eight American troops and two Afghan security force members were killed Saturday when militants opened fire on an outpost with rockets, mortars and heavy-caliber machine guns, according to an initial U.S. military report on the battle.

CNN: Obama adviser: Afghanistan in no immediate danger of falling

They returned fire with 50-caliber machine guns, they also returned fire with their M-16's -- Marines pointing out of the top firing, but not indiscriminantly, that is something the Marines point out -- only when they were fired upon and only when they could see the flashes, did they fire back.

CNN: Martin Savidge: 'Pitched battle that went on and on'