Link to Original Source
FYI, I didn't intend to put words in your mouth, hence why I put "ever?" in brackets (context APK, context...).
Also, if you want people to take you seriously then you need to learn how to summarise your thoughts and present them in a non-td;dr way.
The agency's name indicates its original military purpose (see ordnance and surveying): mapping Scotland in the wake of the Jacobite rebellion in 1745. There was also a more general and nationwide need in light of the potential threat of invasion during the Napoleonic Wars, reflected in the inclusion of the War Department's broad arrow in the agency's logo.