A new foe arrives putting the entire galaxy at risk of being destroyed

Noble Six finds himself stranded on an unknown planet

The Quazon Pact invades the natural nations of the Centaura star cluster and ATO forces rush to stop them. Book 7 of the Sentinels series

The absolute solver is causing problems for ATO can Sentinel 1 destroy it and it's host Cyn before it is to late

A mysterious Gate opens in the cities of New Alexandria, on Reach and Castle City on Zeta Luna ATO forces are sent through the Gates and they discover a whole new world waiting to be explored Note: this takes place during the events of the GATE anime (2016) or 2602-2603 in universe calendar

Sargeant Franklin Daiz awakes alone in the ruins of Listening Outpost 21 and he must find a way to get off of Copper 9 or die there

The Quazon Pact launches an invasion on Zeta Luna, the home world of the New Republic of Hyrule, leading to a fierce and desperate battle.

In the chaos of the ongoing Great Galactic War, the Phantom Legion Mercenary group has gotten their hands on Project Ravager and is wreaking havoc in ATO territory

A small remote ATO (Allied Treaty Organization) Listening outpost manned by UNSC personnel on the abandoned Exo-planet Copper 9 is attacked leaving only one survivor