LL

US abbreviation alt-of

(US, military) Short for lesson learned.

Japanese Meaning

（米軍用語）「lesson learned」の略で、経験や失敗から得た教訓、反省点を指す

After the operation, the squad compiled an LL to prevent repeating the same mistakes.

作戦後、部隊は同じ過ちを繰り返さないように教訓をまとめた。

Sense（1）

(US, military) Short for lesson learned.