<Tr> <Td> </Td> <Td> Black </Td> <Td> Worn by all soldiers with Army Service Uniform as standard headgear . The patrol cap is the standard headgear with utility uniforms such as the ACUs; however, the black beret may be authorized with utility uniforms at commander's discretion . </Td> </Tr> <P> Special Forces, Ranger, and Airborne unit berets sport distinctive organizational flashes . All other units use a standard pale blue flash bordered with 13 white stars . Officers wear their rank insignia within the flash, while enlisted ranks wear their distinctive unit insignia . </P> <Table> US Air Force <P> </P> <Tr> <Th_colspan="2"> Color </Th> <Th> Wearer </Th> </Tr> <Tr> <Td> </Td> <Td> Black </Td> <Td> Tactical Air Control Party (TACP), Air Liaison Officers (ALO), and Air Mobility Liaison Officers (AMLO) </Td> </Tr> <Tr> <Td> </Td> <Td> Maroon </Td> <Td> Combat Rescue Officers, Pararescuemen </Td> </Tr> <Tr> <Td> </Td> <Td> Scarlet </Td> <Td> Special Tactics Officers, Combat Controllers </Td> </Tr> <Tr> <Td> </Td> <Td> Pewter Grey </Td> <Td> Special Operations Weather Technician </Td> </Tr> <Tr> <Td> </Td> <Td> Dark Blue </Td> <Td> Security Forces, United States Air Force Academy First - Class Cadets & Basic Cadet Training cadre </Td> </Tr> <Tr> <Td> </Td> <Td> Sage Green </Td> <Td> Survival, Evasion, Resistance and Escape (SERE) Specialists </Td> </Tr> <Tr> <Td> </Td> <Td> Brown </Td> <Td> Airmen assigned to units designated as Combat Aviation Advisors </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Color </Th> <Th> Wearer </Th> </Tr>

Who wears a green beret in the air force