Question: Were the Battle of Chosin Reservoir and Operation Grenade both wartime campaigns?
Sentence (from "Battle of Chosin Reservoir"): The Battle of Chosin Reservoir, also known as the Chosin Reservoir Campaign or the Changjin Lake Campaign (Korean: 장진호 전투 ; hanja: 長津湖戰鬪; rr: "Jangjin ho jeontu"; ), was a decisive battle in the Korean War.
Relevant evidence: Yes