Gdynia

Gdynia is a city, located in the Acheron Fossae on Mars. The MJOLNIR Powered Assault Armor/HAZOP, MJOLNIR Powered Assault Armor/CIO, MJOLNIR Powered Assault Armor/Pioneer, and MJOLNIR Powered Assault Armor/Tracker variants were manufactured and tested in and near the city by Acheron Security.

Trivia
Gdynia takes its name from the real-world city of Gdynia, Poland.

List of appearances

 * Halo 4