G’day,
I’m a religious Jew (one of the only ones in the Australian Army Reserve). Our training is conducted predominatly over Saturday periods. This is a real issue for me. The way I deal with it is as follows. My Rav advsied me not to write or fire a weapon on Shabbos. All other tasks I do b’shinui. The writing or firing I try and leave for after Shabbos (if I can).
Look, you can’t join the military and expect to keep shabbos like you would in yeshiva, if u do you’re kidding yourself. So in BT you can attend lectures, particpate in training, do moderate PT, and carry - assuming you’re in a base, which u would b. I even handle weapons, I just dont fire. I guess a good rule would be whatever can be avoided should be avoided, if you have no choice then do b’shinui. Thats the price to pay for not being in Israel and being in the minority. Dont forget u still have to be effective and you dont want to come accross as the numpty Jew.
Thats my 2cents…