Military Codename for the Dambusters Raid

This page is the CodyCross answer for the clue below from Past and Present Tech, Group 1453, Puzzle 5 (Dot Matrix Printer).

Question is: Military Codename for the Dambusters Raid

and the answer is: CHASTISE

Word Meaning:

CHASTISE — (transitive) To punish, especially by corporal punishment.

Definitions from Wiktionary.