World Military Encyclopedia
> United States
> Head Wear Insignia
> Navy Head Wear Insignias
> US-USN-00002
Cockade on the hat officer "United States Public Health Service Commissioned Corps."
Casual:
Tallinn Air Base Patch of Estonian Air Forces
306th CA group
Нагрудный квалификационный знак военного штурмана 3-го класса ВВС Республики Беларусь