From what I know it's become visible to modern radar (at least enough that it's a liability) and wasn't much use anyway as more than a light penetration bomber.

从我所知道的，它的显现，以现代雷达(至少是不够的，它的负债)，并没有多大用处，无论如何，作为一个多光穿透炸弹的人。

youdao

The second was believed to be 6ft 3in, thin, with short brown hair with a left side parting and wearing a brown bomber style leather jacket, hooded sweatshirt and light blue jeans.

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He was wearing a grey bomber-style jacket with black lining and hood, light blue bleached jeans that were ripped at the bottom and grey hi-top trainers when he went missing.

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His followers included the so-called "shoe bomber" Richard Reid -- who was convicted of trying to light a bomb in his shoes on a trans-Atlantic flight -- and Zacarias Moussaoui, the only person to be charged in the United States in connection with the September 11, 2001, terror attacks.

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