There is the cautionary tale of the US invasion of Grenada. Where because no military maps of the country could be found in time. tourist maps with a military grid penned on were distributed to the troops. While we hope our much vaunted modern systems make this impossible, the reality is, that any large scale operation is a series of fuck ups while people figure out how to make it work.

https://www.militarytimes.com/veterans/military-history/2018...