During WWI, this German sub sailed into a US harbor — uninvited

110 years ago, a German U-Boat cruised into Newport Harbor while crews onboard American destroyers could only watch.

原文标题：During WWI, this German sub sailed into a US harbor — uninvited

溯源：开源情报 ｜ 可信度：C（中（公开媒体报道））

信源：Military Times ｜ 阅读原文

110 years ago, a German U-Boat cruised into Newport Harbor while crews onboard American destroyers could only watch.

—— 开源情报 · 综合 · 可信度C