He had been a naval ensign stationed off Cuba.

他曾是派驻在古巴的海军少尉。

《柯林斯英汉双解大词典》

Unlike most of the Clintonistas he had seen war up close, observing the desperate, aimless crowds in ruined Japan as a naval ensign in 1945.

ECONOMIST: Warren Christopher

After 3 years of service, he transferred to the United States Naval Reserve where he entered with the rank of ensign.

CENTERFORSECURITYPOLICY: Center For Security Policy