From Halopedia, the Halo wiki
Topography and ecology
New Carthage is home to vast blue oceans that hide many dangerous species, such as the great red shark. Its landmasses are covered in weathered shale mountains, high alpine plains, and semi-arid grasslands and deserts.
The Hannibal family
In 2474, the Hannibal family acquired thirty acres of land in the Pori region of New Carthage. This tract of land would eventually become the city of Pilvros, named after Jack Pilvros Hannibal. By 2505, the family had constructed a building over the site of an abnormally large shard of variegated rock—called Pori Meteor—and a buried Forerunner structure. Later known as Hannibal HQ, it is likely that this location was selected purposefully by the Hannibal family after the discovery of the subterranean alien facility. Within the next six years, Jack Hannibal had produced the first small-scale quantum photonic amplifier for SATCOM relays, revolutionizing the speed and integrity of extraplanet communication. This success would kickstart Hannibal Weapon Systems, a manufacturer that would eventually hold a substantial amount of control over the entire colony.
In 2554, two DAS-class storm cutters, Mark of Prophecy and Divine Breath, were being used by Kig-Yar engaged in smuggling and piracy near New Carthage. The two ships had a deadly encounter with the Gladius-class corvette UNSC Sagan Blue. At some point a thermal reactor located underneath the city of Pilvros was failing, and as a result the city was evacuated.
During the rise of the Created in October 2558, one of Cortana's Guardians emerged near Pilvros, causing a crater that swallowed part of an Office of Naval Intelligence facility. At least two prowlers attempted to fight back against the construct but were quickly knocked out of the sky by its electromagnetic pulse. The planet was likely subjugated by the Created following this event.
Government and society
Hannibal Weapon Systems is a prominent defense contractor on the planet. Their biggest work appears to be in MJOLNIR Powered Assault Armor. They developed the MJOLNIR Powered Assault Armor/Infiltrator, which was tested on the orbital defense platforms above New Carthage. The Hannibal Weapon Systems facility also developed multiple MJOLNIR Powered Assault Armor variants at Kotka, Pori on New Carthage.
The planet is named after the ancient city of Carthage. Hannibal Weapon Systems is named in reference to Hannibal, an infamous Carthaginian general who is considered to be one of the greatest military leaders in history.
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