UNSC 1st Sector Army

creation
This large army is 1 of the manys unsc army, she fought in most of all battle of the UNSC/Covenant war. This army contain about 8,957,800 troop diapatched in more than 60 divisions and special force divisions like the Blizzard Force and the 226th Infantry Battalion Excalibur.

Human Covenant war
During the Human Covenant war the 1st assault army was send to protect the outer world but despc of theirprofessionalist it was unable to stop the relentless Covenant Army.After the near destruction of the outer colonies the rest of t army was send on earh tho protect her. Thus it fought on almost all battle on earth there they fnalywere ablw to stop the covenant army and captured alot of brute drone and other covenant race. Latter the captif would be use tho create more and more powerfull weapon for the UNSC

Duity
This enormous army was separate in 10 army corps dispatched in 10 fleet. During the beginnig of the war this army was in charge to protect the outer world. It was carrying in 10 fleet trought the puter territory but despict is number this army was unable to protect earth and is 800 colony from the power of the covenant. After the war and the fall of 213 worlds, the 34 billions of surviving humans(at the end of the war the UNSC as estimed the population at 200 millions but after finding surviver in the outher colonies and when they make contact with the inner colonies they reach 34 billions) on a total of 116 billions befor the war where able to survive from the extermination by the protection of this army and the other.

Battle of harvest
During the harvest campaign te army was send to retake the capital of the planet. Diring the uncomming battle the 1st army was the only on to destroy a scarab but they identify that thing as a walker tank. (The other apparition of the scarab was Reach and earth)