Earlier quoted context omitted.
Single place? Probably no. But You can go branch by branch. For armor, Chieftain is probably as good as it gets in English when it comes to universality (he's both a historian and an active service Lt.Col. in the US NG). For further armor sources, I'd highly recommend the YT channel of Tank Museum Bovington: https://www.youtube.com/user/TheTankMuseum The chap whose video Chieftain replies to ("Perun") is worth follow…
Upvote for Perun. He very recently did a video on the apparent infantry shortage that the Russian forces seem to be facing: https://www.youtube.com/watch?v=AKewF8_SiIs The short, short, short version is that the Russian BTGs (battalion tactical groups) and undermanned in general, and the conscripts are supposed to be filling most of the infantry slots. Theoretically, because this isn't a declared war, the conscripts…
If You like Perun and want to dig a bit deeper, try checking out Kofman's articles / videos. He's used quite often as a source (and with quite some reverence) by Perun and others.
Here's one from 2019 where he basically says what everyone figured out in 2022: https://www.youtube.com/watch?v=5UktY0XePs0
Beware, it's not the best presentation, but his public speaking skills have seriously improved since ;-)
Here's a panel he did with West Point right at the beginning of the invasion, if You'd like to check how his stuff holds up (Col. L. Collins is a good one on his own as well). https://www.youtube.com/watch?v=zXEvbVoDiU0&t=2378s&ab_chann...