United-Earth Federation

Founded upon the unification of Earth, the United Earth Federation serves as its official army. It barely staffs aliens, but those that prove their loyalty and cooperation to Earth are welcome to be enlisted in its ranks. Its members are constituted mainly of human descent.

Warfare
The UEF is very honorable. They endeavor to avoid taking aim at children, elderly, and weak or bring destruction upon citizen locations and sacred land. This, however, depends on the situation at hand.

Fleets & Task Forces
Marine Core - Units actively/to be deployed on-foot or levied within starships/bases.

Red Legion of Armed Forces (RLAF)- Elite assault troopers trained and organized for mobility and combat to penetrate enemy defenses and attack into vulnerable rear areas. Frontline troopers are identified by bulky red, glossy armor whereas specialists wear notable accents of red.

Joint Special Operations Teams (JSOTs) - Skilled squadrons typically organized in groups ranging from 3-10 members. Deployed when a mission demands specialization to handle an issue, formulate a difficult plan, or find a solution that no average source of military intelligence could generate. Uniforms are non-existent for they are free to dress appropriately for the assigned mission(s). They are stereotyped to be rather strange individuals.

Alpha Fleet - Largest fleet, that is based near Earth's orbit. 7 Major warships including flagship.

Beta Fleet - 6 Major warships

Charlie Fleet -  4 Major warships

Delta Fleet - 3 Major Warship

Echo Fleet - 3 Major Warship

Foxtrot Fleet - 1 Major Warship

Militech - Primary defense contractor for Earth. Directed the hidden, illegal Crescent project as mentioned throughout 22nd Century DEVROOM.

Trivia

 * UEF name and logo was directly taken from the Supreme Commander saga.
 * Militech name and concept was directly taken from the rogue-like game Teleglitch.