black operation

Noun

A covert operation typically involving activities that are highly clandestine and outside of standard military protocol.

Japanese Meaning

極秘の作戦（通常の軍事規定に沿わない、隠密かつ非公式な活動を伴う作戦）

The intelligence agency launched a black operation to recover the stolen microchip from a secured research facility.

情報機関は、確保された研究施設から盗まれたマイクロチップを回収するために極秘作戦を開始した。

Sense（1）

A covert operation typically involving activities that are highly clandestine and outside of standard military protocol.

black operations

（ plural ）