R4D

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1.

Yesterday we went for a flight around the area in an old R4D. The R4D was the Navy version of the Douglas DC-3.

昨天，我们乘坐一架老式的 R4D 飞机在周围兜了一圈，这架 R4D 是道格拉斯 DC-3 的海军版。

article.yeeyan.org

2.

This is the only one I know of on the airshow circuit , its nose art suggests that "R4D" is short for "ready for duty" !

这是唯一一个我所知道的珠海航展上的电路，其机头艺术表明，“R4D ”是 “准备责任 ”！

www.tech-domain.com

3.

It's not well known that the US navy had its own version of the Dakota , called the R4D, which was also used by NASA .

这不是众所周知，美海军有自己的版本的南达科他州，称为 R4D ，这也是利用美国航空航天局。

www.tech-domain.com