Propane is popular because it's convenient, but it's hardly "the 'American' BBQ experience", King of the Hill aside. For the troops in Norway, my guess is that

Propane is popular because it's convenient, but it's hardly "the 'American' BBQ experience", King of the Hill aside. For the troops in Norway, my guess is that NATO is trying to make sure that Russia has to watch it's entire western border, and the hope is that this will help spread their resources too thin to do anything like they've been doing in eastern Ukraine. But Erna doesn't seem to be interested in explaining why she invited them in.