What is the insignia of a First Lieutenant (1st LT)?

The insignia of a First Lieutenant (1st LT) in the U.S. military is represented by a single silver bar. This rank typically follows Second Lieutenant and precedes Captain in the rank hierarchy. The silver bar signifies the rank and is standard across various branches of the military, including the Army and the Air Force.

The choice representing one silver bar accurately reflects the recognized insignia for a First Lieutenant, denoting their position and responsibilities within the chain of command. Understanding insignia is important for recognizing the rank and authority of personnel within the military structure.