[@Foster]

It's not a problem. Already ran it by the group, and I'm good. Plus the Sherman was produced and upgraded well into the mid 1960s and used up into the 1980s by Israel. I also have a good ref pic that I posted in the interest check thread:
[hider=Sherman Upgrade Idea]
[img]https://media.discordapp.net/attachments/1329434830957711360/1392347244778360882/original_drawn_by_sherman_egnk2525__7563f5162a6624bdae8ae879e4e278b2.jpg?ex=689ab56b&is=689963eb&hm=a253c043c9cb8ccdb5ba7b308fd8051dd4916f81d0229d66c8936a42d6bb9ab8&=&format=webp&width=1198&height=847[/img]
[/hider]

Fits the theme and the vibe just fine.