[Issued with perforations. Certain circulars read Departments of Army and Air Force and carry AF letter numbers in addition to Circular numbers. Circular 281 carries CNO letter, no. 106P05 also.]
Notes:
[Issued with perforations. Certain circulars read Departments of Army and Air Force and carry AF letter numbers in addition to Circular numbers. Circular 281 carries CNO letter, no. 106P05 also.] † Distribution Made by Issuing Office.