Which rank corresponds to two silver bars connected?

The rank that corresponds to two silver bars connected is Captain. In the United States Air Force, the insignia for a Captain is indeed two connected silver bars. This visual representation signifies the level of authority and responsibility held by a Captain in comparison to lower ranks. It's important to recognize that ranks in the military have distinct insignias that help convey rank and hierarchy. While other ranks have different representations, the connection of the two silver bars uniquely identifies the Captain's position within the framework of military structure.