The term 'Go Commando' is a phrase used to describe a situation where someone takes action without any preparation or planning. It is often used in the military, where soldiers are sent on a mission without any prior knowledge of the terrain or enemy forces. The crossword solution for this term is RAID, which stands for Rapid Airborne Insertion and Dismount. This is a tactic used by the military to quickly insert troops into an area and then quickly withdraw them.