Eeey! Them wer't days! Young mister would be glued onto a gun crew for a week or two. Gun number 1 (normally regimental best gun) would ...educate...mr new boy, el rapido.
Mr no sleep and well facked would now understand why the guns, and only the guns; are there to be served.
Suitably impressed and with issued labrador one would stagger off to the OP's for gentle banter and miniscule career saving tips....to be suitably terrified by mad scouse and themmmm. One good ear between em all, hunched troglodite shoulders, grinning, smelling of beans and facing north.
Nowadays..they just don't believe yer,tsk.