silent service

Noun

capitalized informal sometimes uncountable usually dated possibly

(military, informal, sometimes capitalized) The submarine service. / (military, informal, sometimes capitalized, possibly dated) The navy.

Japanese Meaning

潜水艦隊、すなわち軍の潜水艦部隊としての海軍の一部門 / 海軍、すなわち国家の海上防衛組織全体としての意味

After years at sea, he finally felt proud to belong to the silent service.

長年の海上勤務を経て、彼はついに潜水艦部隊に所属していることを誇りに思った。

Sense（1）

(military, informal, sometimes capitalized) The submarine service.

Sense（2）

(military, informal, sometimes capitalized, possibly dated) The navy.

In true "silent service" tradition, the Royal Canadian Navy says little about itself.

silent services

（ plural ）