Perhaps a fellow Marine can help you. Ever hear of Sandy B? He's still my favorite AA speaker. Back in the day his cassette tapes were popular fixtures at our local AA meetings. He's gone now but his recorded talks are available here:
https://www.recoveryaudio.org/speaker/sandy-b
and here:
Stories of Recovery - Sandy B Collection
Sandy's obituary is here. He died in an AA meeting and I think that's exactly what he wanted.
Richard 'Sandy' Beach, an icon of Alcoholics Anonymous, spread a message of hope to thousands