Dear : 
 
This letter is in reference to your application for correction of your naval record pursuant to Title 10, United States Code, Section 1552.  After careful and conscientious consideration of the entire record, the Board for Correction of Naval Records (Board) found the evidence submitted was insufficient to establish the existence of probable material error or injustice.  Consequently, your application has been denied. 
 
A three-member panel of the Board, sitting in executive session, considered your application on 6 October 2020.  The names and votes of the members of the panel will be furnished upon request.  Your allegations of error and injustice were reviewed in accordance with administrative regulations and procedures applicable to the proceedings of this Board.  Documentary material considered by the Board consisted of your application, together with all material submitted in support thereof, relevant portions of your naval record, and applicable statutes, regulations, and policies.  The Board also considered the advisory opinion (AO) furnished by the Marine Corps Performance Branch, Enlisted Promotions (MMPR-2) of 4 November 2019, which was previously provided to you.  Although you were afforded an opportunity to submit a rebuttal, you did not do so. 
 
The Board carefully considered your request to adjust your sergeant date of rank back to the original date you were promoted to sergeant, and to award all back pay and allowances.  You assert that you returned to your parent command on 20 July 2015 as a sergeant after being academically dropped from Air Traffic Control (ATC) School.  You also assert that you were administratively reduced in September 2015 from sergeant to corporal, effective 20 July 2015, as a result of your academic drop, and that the following day, you received nonjudicial punishment (NJP) for a separate offense, and reduced in grade from corporal to lance corporal.    
 
The Board considered your contention that you were not administratively reduced prior to transferring from the ATC School, as required by Marine Corps policy, but instead, your parent command improperly reduced you in grade after they identified the ATC School’s error.   
 
The Board noted that the ATC School did not adhere to policy and mistakenly transferred you to your parent command prior to effecting your administrative reduction, as required.  The Board, however, substantially concurred with the AO, noting that your commanding officer acted within his authority to revoke your original promotion to sergeant because you failed to complete qualification in your intended military occupational specialty (IMOS).  The Board also determined that your subsequent reduction in grade from corporal to lance corporal as a result of your NJP was in compliance with Marine Corps policy.   
 
It is regretted that the circumstances of your case are such that favorable action cannot be taken.  You are entitled to have the Board reconsider its decision upon the submission of new matters, which will require you to complete and submit a new DD Form 149.  New matters are those not previously presented to or considered by the Board.  In this regard, it is important to keep in mind that a presumption of regularity attaches to all official records.  Consequently, when applying for a correction of an official naval record, the burden is on the applicant to demonstrate the existence of probable material error or injustice. 
 
 Sincerely,