- In a conflict that stemmed from the Rainforest Wars, the three primary Earth factions clash again, this time on Mars. A series of lightning strikes against Koslovic forces near the Argyre Planitia marks the first extraterrestrial deployment of Marines. The campaign was deemed an unqualified success. As a result, future military doctrines favor large contingents of Marines for ground assaults and ship-boarding actions.
- The United Nations Space Command was established to eliminate the various Rebel organizations in the Sol System.
- The first form of ODSTs have been established in the Marines. Although, they were actually groups of elite marines sent against the Neo-Communist and Neo-Facist troops.