<Table> <Tr> <Th> Enlisted </Th> <Th colspan="3"> Junior enlisted </Th> <Th colspan="2"> Non-commissioned officers ( NCOs ) </Th> <Th colspan="7"> Staff non-commissioned officers ( SNCOs ) </Th> </Tr> <Tr> <Th> Title ( Abbreviation ) </Th> <Th> Private ( Pvt ) </Th> <Th> Private first class ( PFC ) </Th> <Th> Lance corporal ( LCpl ) </Th> <Th> Corporal ( Cpl ) </Th> <Th> Sergeant ( Sgt ) </Th> <Th> Staff sergeant ( SSgt ) </Th> <Th> Gunnery sergeant ( GySgt ) </Th> <Th> Master sergeant ( MSgt ) </Th> <Th> First sergeant ( 1stSgt ) </Th> <Th> Master gunnery sergeant ( MGySgt ) </Th> <Th> Sergeant major ( SgtMaj ) </Th> <Th> Sergeant Major of the Marine Corps ( SMMC ) </Th> </Tr> <Tr> <Th> US DoD Pay Grade </Th> <Th> E-1 </Th> <Th> E-2 </Th> <Th> E-3 </Th> <Th> E-4 </Th> <Th> E-5 </Th> <Th> E-6 </Th> <Th> E-7 </Th> <Th colspan="2"> E-8 </Th> <Th colspan="3"> E-9 </Th> </Tr> <Tr> <Th> NATO Code </Th> <Th> OR - 1 </Th> <Th> OR - 2 </Th> <Th> OR - 3 </Th> <Th> OR - 4 </Th> <Th> OR - 5 </Th> <Th> OR - 6 </Th> <Th> OR - 7 </Th> <Th colspan="2"> OR - 8 </Th> <Th colspan="3"> OR - 9 </Th> </Tr> <Tr> <Th> Insignia </Th> <Td> no insignia </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> </Table>
what is a e8 in the marine corps
Master sergeant First sergeant