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How the M12 155mm Gun Motor Carriage Broke the Siegfried Line

WW2 Phil

57,781 views

In 1944, American troops pushing into Germany faced the concrete pillboxes of the Siegfried Line, where conventional attacks and indirect artillery fire often struggled to eliminate fortified positions. This documentary explores how the U.S. Army brought the M12 155mm Gun Motor Carriage forward and used its massive gun in a direct-fire role against German bunkers, sometimes from only a few hundred yards away. It follows the tactical problem that forced heavy self-propelled artillery into frontline combat, the challenge of supporting infantry against interlocking defenses, and why the combination of 155mm firepower and tracked mobility made the M12 especially valuable during the fighting along the West Wall.

Sources:
https://history.army.mil/Publications...

https://history.army.mil/portals/143/...

https://history.army.mil/portals/143/...

https://www.nationalww2museum.org/war...

#WWII #WorldWarII #M12GunMotorCarriage #SiegfriedLine #WestWall #USArmy #MilitaryHistory #WW2History #FieldArtillery #155mm #EuropeanTheater #ArmoredArtillery

20 Comments

@WW2UntoldBattle 7 days ago

This is more than a story about a 155mm gun—it’s the story of exposed artillery crews deliberately driving an open-topped monster into the teeth of the Westwall just to give infantry a way forward. 🔥 The image of the M12 firing point-blank, surviving the counterfire, repositioning, and firing again until the bunker finally goes silent perfectly captures the brutal human cost behind every breakthrough in WWII.

@WW2PILOTChronicles 2 weeks ago

42:27 — “The massive weapon system itself was ultimately useless without the staggering human nerve required to deliver it.” — Brilliant storytelling; this perfectly captures how courage and discipline mattered just as much as the M12’s incredible firepower.

@truehistory1940 8 days ago

The most fascinating part of the M12's story is that its greatest advantage was not simply the power of the 155mm gun, but the ability to bring that power directly into a fight where ordinary artillery could not reach the bunker effectively. The image of an open-topped gun crew repeatedly exposing themselves to machine guns and mortars just to place one shell through a tiny firing slit shows how brutal breaking the Westwall actually was.

@BillSmith-ut5li 2 weeks ago

They would have had the shell already loaded before they exposed themselves

@CharlesvanDijk-ir6bl 2 weeks ago

Do your homework and make some proper graphics which show accurately the equipment.

@ZeljkoBulovic-y8f 2 weeks ago

What Are those pictures? I Can,t believe you Don,t have Real pictures of this howitzer.I looks alike for new,,Mad Max,,movie.

@gerald1011 2 weeks ago

Excellent narrative

@bbigboy01 2 weeks ago

Good narrative, very lousy AI generated graphics of loading a shell and setting up the M12.

@Wilett614 2 weeks ago

PLEASE research your Visual photos and video scenes , Your AI interpretation of this magnificent piece of tracked Artillery Is Completely and TOTALLY INCORRECT this Completely DISTRACTS from your truly correct Historical accounting . Thank you

@robertpeters4075 11 days ago

Go to the 36 Minute mark if you want to see anything worthwhile.

@richardoneal1055 2 weeks ago

Fiction

@namename5917 2 weeks ago

If only you could get this down to 15 minutes and stop repeating the info over and over and over!

@iangriffiths9840 2 weeks ago

Interesting history and great telling but the "AI" of the images it pathetic junk!

@BillSmith-ut5li 2 weeks ago

Well, considering that the Sherman and M3 Lee are the same chassis. You need to work on your story. That's the same chassis that fought all the way through the war not an opinion obsolete jazzy and obsolete
Hall

@oldgysgt 2 weeks ago

25 seconds was all that I could stand. The AI generated graphics SUCK BIG TIME. Who ever payed for this Bull $hit needs to be FIRED.

@WilliamSchadowsky-h8c 2 weeks ago

I'm really starting to hate AI generated videos.

@GreyGandalf-v5m 2 weeks ago

This AI is garbage.

@RonaldPlott 2 weeks ago (edited)

You need to research your photos and scenes, the AI graphics of this SPH function and firing, the simple firing of rifles and machine guns is jerky, inaccurate and simply wrong. One place you have belt feed MG bullets being feed into the MG backwards. This lazy efforts completely distracts from any historical value.

@petes5041 2 weeks ago

Woopie!!! Another video on how the Americans, won WWII, single handed! All praise America! Sorry everyone else, you don't count!

@steveburk8795 10 days ago

The Sigfried line was built by the French. It was based on World War I tactics. The Germans when they occupied France took control of all of the bunkers and the tank obstacles. Everything was built by the French. This video indicates that it was the Germans who built it. That is completely wrong.