I am not a Mason and have politely declined a couple of inquiries as to whether I might be interested in "The Craft". Why?, because I view them as largely irrelevant. I doubt that they have ever had any significant influence within the RAF, although this may not have been the case in the RN.
Those of a historical bent may wish to read Andrew Gordon's "The Rules of the Game - Jutland and British Naval Command", isbn 0-7195-5542 6.
YS