Air Force SEI 580 is a Special Experience Identifier used in the Air force for qualified individuals with experience on Any c-135/ Boeing 707 Modification.he U.S Air Force's vision is Global vigilance, reach and power.. The Air â¦ Force provides air superiority and control for combat operations.
A virtual account number is a system generated unique account number which is based on logic and masks the original account number. This in turn eases the process of collecting information & MIS generation by tracking these virtual account numbers against the payerâs credentials as provided by the merchant....
The ninth number is used to verify the previous numbers are  correct.   A standard bank account number is nine or ten digits long, but can  be as long as seventeen digits, it just depends on the bank in  question.