Final answer:
The original distinctive unit insignia for Irwin Army Hospital was approved on January 9, 1943. It consists of a white cross on a red background, surrounded by a green laurel wreath and an eagle. It symbolizes the medical services provided by the hospital.
Step-by-step explanation:
The original distinctive unit insignia for Irwin Army Hospital was approved on January 9, 1943.
The distinctive unit insignia consists of a white cross on a red background, symbolizing the medical services provided by the hospital. The cross is surrounded by a green laurel wreath, symbolizing honor and victory.
Above the cross is a black eagle, representing the strength and courage of the hospital staff. The distinctive unit insignia is worn by members of Irwin Army Hospital as a symbol of their affiliation and service.