Cool stuff, Bailu Taiji, thanks!
A similar vid, classic western military basic H2H training, much of it is recognizable as stuff I learned under Asian auspices, or from my old boxing coach:
http://www.realmilitaryflix.com/public/521.cfm
A short piece on Fairbairn, who brought the WWI stuff, mixed with Asian moves, to WWII combatives:
http://www.gutterfighting.org/WhatIsDefendu.html
And courtesy of Mule, these are clips of Carl Cestari showing some of these moves/principles in more recent times:
http://www.martialedge.net/forum/martial-arts-talk/re:bare-knuckle-boxing./
And Paris, good catch on seeing the similarities between the Systema and BTs second group of clips, especially the middle one, imo.
TB