When Marcos is in Diapers.
All are Para (HALO/HAHO) Capable and much older than Marcos.
http://rusnavy.com/history/branches/sub/hunters.htm?print=Y
https://en.wikipedia.org/wiki/Russian_commando_frogmen
https://en.wikipedia.org/wiki/Shayetet_13
I am not adding the French,German, British and...