The MSM-03 Gogg was a mass production amphibious mobile suit developed by the Principality of Zeon. The “MS” in the model code refers to it being a mobile suit, while the “M” identifies it as a marine model. The “03” in the model code indicates that it was the third design.
On the back of its successful MS-06 Zaku II models, the Zeonic Company developed the MS-06M Zaku Marine Type variant for underwater combat. However, it proved to be a failure when deployed in battle. The Principality of Zeon was desperately developing a mobile weapon to advance its territories on Earth.
Instead of modifying an existing mobile suit, the Zimmad Company decided to design an amphibious mobile suit from scratch. The company developed the MSM-03 Gogg and it revolutionised the way that the Zeon approached underwater combat. Several successor models were produced and all these amphibious mobile suits provided Zeon with an effective way launching assaults at Earth Federation forces from the sea.
The MS-06M Zaku Marine Type was the first underwater-use mobile suit used by the Principality of Zeon. However, being a modified [MS-06F Zaku II], the Zaku Marine Type performed poorly and was condemned as a failed model. The MSM-03 Gogg was designed from scratch for use underwater and on land.
The Gogg was heavily armoured so that it could withstand deep sea pressures. The mobile suit was equipeed with a large Minovsky fusion reactor without worrying about overheating as it used the sea water as a natural heat sink. This allowed the Gogg to be equipped with built-in beam weaponry that drew power directly from the reator.
The body of the mobile suit contained ballast tanks that was used to help it surface and dive. Water in the tanks were also used to cool down the reactor when the mobile suit was out of the water.
The Gogg was equipped with freezy yard. It was a gel that allowed the mobile suit to capture underwater mines without detonating them. The freezy yard was launched in a capsule from the Gogg’s head. The capsule would then open to cover the Gogg in the gel.
The Gogg was equipped with mega particle guns and torpedo launchers for ranged combat. It had to rely on its claws for melee combat.
The Gogg had a pair of claws instead of hands. It used these for melee combat. While they might appear unassuming, they packed a punch. The claws were able to pierce the luna titanium alloy of the RX-78-2 Gundam and they were able to catch the Gundam Hammer without being damaged.
Mega particle guns
A pair of mega particle guns were mounted on the centre of the Gogg’s torso. These guns drew energy directly from the mobile suit’s powerful reactor. They were cooled by the sea water so they could be fired rapidly without risk of overheating. However, this worked only if the Gogg remained in the water. The pilot had to be wary of overheating when using the guns while the Gogg was out of water.
A torpedo launcher was mounted on the Gogg’s torso, on each side of the pair of mega particle guns. These were mainly use for sea-to-sea and sea-to-land bombardment.
Behind the scenes
Kunio Okawara was the original mechanical designer.
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