Tells the events of Earth Federation's counter-attack efforts against Zeon's invasion in Europe, starting from when ground troops are dispatched against Zakus, until when both sides have mobile suits.

Universal Century 0079: The Principality of Zeon and the Earth Federation are fighting each other during the infancy of the One Year War. Now this time Mobile Suit Gundam MS IGLOO will focus on the Earth Federation's point of view. The Earth Federation forces battle Zeon's soldiers and Zakus to regain back their territory. The Gravity Front also includes events pivotal in the Universal Century timeline, such as Operation British, and Operation Odessa.