Also, https://en.wikipedia.org/wiki/Russian_Railway_Troops https://en.wikipedia.org/wiki/Russian_Railway_Troops have position/separation greater than elsewhere.

Also, https://en.wikipedia.org/wiki/Russian_Railway_Troops https://en.wikipedia.org/wiki/Russian_Railway_Troops have position/separation greater than elsewhere. For other oddities, USSR has army, navy, air force and anti-aircraft branches.