meaning and origin of the phrase 'to go commando

USA, 1974—to wear no underpants—originated in university slang—perhaps because commandos wear no underpants in order to prevent crotch rot and rashes

Have you ever noticed someone was going commando in shorts or a

ELIC: Why do they call not wearing any underwear going commando

Is this what they mean by 'going commando?

Go Commando! Shapely Shorts and Swimwear to Show Off Your Assets

Heidi Klum goes commando in *completely* open-sided silver dress

The Pros & Cons of Going Commando

Did Commandos Go Commando?

Learning English - Keep your English up to date - Go Commando

6 Reasons Why Men Should Not Go Commando – Rounderbum LLC

Still Going Commando? Men Should Wear Underwear! - Separatec

5 Reasons Women Go Commando. 7 Reasons You Should Not. – WAMA

Commando (company) - Wikipedia