The windows and transparent doors are made of aluminum oxynitride, a millimeters-thin ceramic being developed by the military as a bulletproof replacement for vehicle windows and domes.

毫米厚超薄氧化铝陶瓷材料制成，这种材料正在用作军事车辆的车窗和拱顶防弹。

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Bhutto was traveling in a bulletproof vehicle, and had handpicked the head of her security detail, he said.

CNN: Musharraf denies Bhutto death role

The pope arrived in the so-called popemobile, his bulletproof vehicle, which slowly made its way to the altar.

CNN: STORY HIGHLIGHTS

The vehicle was bulletproof and bombproof.

NPR: Cause of Bhutto's Death Uncertain, Musharraf Says