An interim clearance allows a person to have access to collateral classified information (at the level requested without a caveat) while his or her final clearance is being processed. For example, a person with an Interim Secret may have access to a document marked Secret, but not a caveated one, Secret COMSEC..
Enlisted Air Force ranks are broken down into three levels: Airmen (E-1 through E-4), Non-Commissioned Officers (E-5 and E-6), and Senior Non-Commissioned Officers (E-7 through E-9). The Air Force is the only one of the five branches of the U.S. military where NCO status is achieved at the grade of E-5.
Chief, down through the various grades of. rank, to the enlisted persons leading the. smallest Army elements. This is also known. as the command channel. Staff officers and. administrative noncommissioned officers. (NCOs) are not in the chain of command.