2525

?/?/2525
The ninth age of reclamation begins for the Covenant.

3/2/2525
Contact with Harvest, an outer colony is lost shortly after the colony itself had made contact with an unknown object. The Colonial Military Administration sends the scout ship Argo to investigate.

20/4/2525
The Argo arrives in-system and makes one confirmation transmission. No further reports are received.

9/3/2525
The Spartans undergo a radical series of biological, neurological, and physiological alterations. 30 die, 12 are permanently disabled, 33 successfully adapt the alterations.

12/9/2525
The Spartans first "official" mission, to infiltrate the rebel base on Eridanus and capture the rebel leader, Colonel Robert Watts, is successful.

7/10/2525
A UNSC battle group consisting of one Destroyer (Heracles, Captain Veredi) and two Frigates (Arabia and Vostok) enter the Harvest system and discover that everything on the planet has been completely incinerated, and the surface melted down to glass. In orbit around the remains of the colony, is a single alien ship, which proceeded to attack the battle group, destroying both Arabia and Vostok and badly damaging the Heracles. Intercepted communications identify the enemy as The Covenant. The message "Your destruction is the will of the Gods... and we are their instrument" is broadcast in UNSC language.

1/11/2525
Vice Admiral Preston Cole mobilizes the largest fleet in human history to retake Harvest.

2/11/2525
The Spartans learn of the attack of the Covenant at Harvest and Project MJOLNIR commences. CPO Mendez leaves to train next group of Spartans.

27/11/2525
Project MJOLNIR, a comprehensive package of scientifically enhanced armour, custom-tailored to the biologically augmented Spartans, and is introduced to John and his squad at the UNSC Damascus Materials Testing Facility, on the planet Chi Ceti-4. The Spartans (now decked out in Mjolnir armour) destroy a Covenant ship by carrying a nuke onboard, inside the energy shield.