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..
Air Force Senior Non-Commissioned Officer (SNCO) Ranks. (E-7 through E-9) Air Force enlisted members E-7 and above are referred to as SNCOs. Air Force SNCOs are expected to set the highest standards of personal integrity, loyalty, leadership, dedication, and devotion to duty including upholding Air Force policies, traditions, and standards.
Above the pay grade of E-4 (E-5 through E-9) all ranks fall into the category of NCO and are further subdivided into NCOs (E-5 & E-6) and Senior NCOs (E-7 through E-9); the term Junior NCO is sometimes used to refer to staff sergeants and technical sergeants (E-5 & E-6).