Imagine it is world war 2 and you have just been drafted into the US Army and sent to Europe. This is the kind of video you may have been shown.
https://www.youtube.com/watch?v=3PL2HFLRMI0&t=235s
To those who are interested there are further videos of similar type on this list here: https://www.youtube.com/playlist?lis...7C6CCF1C0DEBB3
