Germany couldn't switch off their tanks remotely in 1936
They could refuse to supply replacement parts though and while reverse engineering critical replacements was easier in 1936 it was still a serious concern (especially when it came to figuring out where the capacity to do so would come from).
alt Hacker News
They could refuse to supply replacement parts though and while reverse engineering critical replacements was easier in 1936 it was still a serious concern (especially when it came to figuring out where the capacity to do so would come from).