A military operation is nearly always given a code name: a word or name used, often clandestinely, to refer to an invasion, campaign, mission, or operation. Some of these code names have become synonymous with the event they are associated with. Operation Overlord, for example, forever identifies the Battle for Normandy and the D-Day landings. But there are other, less well-known code names linked to equally significant conflicts that might surprise you.
Click through this gallery and match these code names with some of history's most infamous raids and conflicts.