Right: Marines stationed at Combat Outpost Caffareta in Nawzad district make phone calls homeon Jan. 11, 2011.

右图：2011年1月11日，驻扎在Nawzad区Caffareta作战前哨站的陆战队员正在给家里打电话。

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US soldiers from Viper Company (Bravo) 1-26 Infantry patrol at Combat Outpost (COP) Sabari in Khost province in the east of Afghanistan June 22 2011.

从毒蛇公司(cong2 du2 she2 gong1 si1)(喝彩声)，1 - 26在战斗前哨(COP) SABARI步兵在霍斯特在阿富汗东部，2011年6月22日省巡逻的美军士兵。

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Second Lieutenant Andrew Ferrara, 23, of Torrance, Calif., draws a map in the sand during a briefing before a mission on Sept. 14 at Combat Outpost Monti in Kunar province.

第二中尉安德鲁费拉拉，23日，加州托兰斯，在沙画一张地图，在介绍之前在9月14日在库纳尔省的战斗前哨蒙蒂使命。

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So Combat Outpost Keating was a collection of buildings of concrete and plywood with trenches and sandbags.

WHITEHOUSE: The White House

Eight U.S. troops were killed at Combat Outpost Keating, and the camp was overrun by the Taliban.

CNN: Clint Romesha, the bravest of the brave

Shaffer's unit at Combat Outpost Pennsylvania in Afghanistan 3rd Platoon, Bravo Company, 1st Battalion, 8th Marine Regiment half are 22 years old or younger.

WSJ: When the Troops Were Very Young