Yes. An older usage of the term refers to a group of soldiers, not a single soldier as we generally understand today.
Originally “a commando” was a type of combat unit, as opposed to an individual in that unit. In other languages, commando and kommando denote a “command”, including the sense of a military or an elite special operations unit.
[…] During World War II, newspaper reports of the deeds of “the commandos” only in the plural led to readers thinking that the singular meant one man rather than one military unit, and this new usage became established.