Dam good on you for serving in the Navy. I retired in 2018 after 33 years in the Canadian Navy. Not so sure about the 50's, my hats of too you, the good old days in the 80s, 18 and puking, our poor old DDE's trying to keep up to the Worlds Real Force as "plane guard". I am same on my Med Docs "deployment vaccine" is listed a few times, even in 2017 my last 6 monther. We were told shut up and feel the jab. Our PM actually stated live that the current Canadian Forces would NOT be used as test subjects for Covid vaccines. Wow. You are also correct about the shingles shot, had #1 yesterday, dam arm feels like I was hit with a bat today??
Lets hope these vaccines do as stated and we can all go back to living AND Safaris.
MB