The surgeons would look at the soldier through virtual reality helmets that contain a small screen displaying the image of the wound.

外科医生将通过虚拟现实头盔观察士兵，头盔上有一个显示伤口图像的小屏幕。

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Arghandab river valley, Kandahar province, Afghanistan: an American soldier looks into a small window in the side of a rural building during an operation.

阿富汗坎大哈省阿尔甘达卜河谷：一名美国士兵在一次行动中，向一座乡村建筑物的窗户中望去。

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A German soldier holding a small tree arranged with lighted candles began to walk across the land toward the English lines.

一位德国士兵手持一棵小树，树上整齐地排列着点燃的蜡烛，他越过边界走向英国阵地。

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The military currently has as many as 3, 500 robots in Afghanistan, from small contraptions that a soldier can pitch through a window to bulldozer-size machines that can plow over mine-seeded roads.

WSJ: In the Afghan War, a Little Robot Can Be a Soldier's Best Friend

And the rising talent Condola Rashad, as a soldier's wife, turns a small role into a star turn.

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Instead of vast maneuver grounds and lots of instructors and equipment, soldiers can train with small but high-tech gear such as Dismounted Soldier Training System, or they can practice techniques, such as squad tactics or IED recognition, using a training game on a laptop or even smartphones.

FORBES: U.S. Army Cracks Down on Video Games