This Cambodian 🇰🇭 RPG Started Life as an American 🇺🇸Bomb 50 years ago.

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A video of a Cambodian soldier firing an RPG made the rounds online, and a lot of people asked the same question:

What weapon is this?

At first glance it looks like a generic RPG—but it’s not an RPG-7.

In this video, I break down what you’re actually seeing: an RPG-2 launcher firing a Vietnamese 70mm B40 Model 2 (B40 ST) anti-personnel round. And the interesting part isn’t the launcher—it’s the munition.

That round likely started its life as an American cluster bomb submunition dropped over Vietnam more than 50 years ago.

We’ll walk through:

* How to identify an RPG-2 vs an RPG-7

* What the Vietnamese B40 Sát Thương (ST) round actually is

* How unexploded U.S. cluster munitions were repurposed into RPG ammo

* How those munitions moved from Vietnam into Cambodia

* Why Southeast Asia still has a “weapons soup” problem decades later

This is the long tail of war: ordnance that survives governments, borders, and peace treaties.

If you’re into weapons history, battlefield identification, and the unintended consequences of modern warfare, this one’s for you.

Sources and reference imagery were pulled from CAT-UXO.com

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