The United European Defence (UED) was an European intergovernmental military alliance and a security component of the European Trade Organization.
The UED was founded sometime in the 1930s and served as a defensive response to the threat of isolationist Russia. The UED was responsible for creating the Military Defense Commission, a research and development branch that focused in creating advanced weapons. The UED had a close diplomatic relationship with the United States, having previously established increasing international trade between them during the Roosevelt administration. However in 1949, under the presidency of Noah Grace the U.S. severed its ties to the UED and stopped providing weapons and aid.
Concerned of Russia, the UED had originally planned a military contingency should Russia ever invade Europe. However, their preparations became for naught in December 1949 when the Chimera breached the Red Curtain and overwhelmed the UED by their numerical and technological superiority. European static defense positions were overrun or circumvented by the Chimera's flawless coordination and unprecedented speed. UED soldiers were badly demoralized by the unnatural appearance and actions of the Chimera such as in the Siege of Genoa where Italian soldiers killed themselves rather than fight the Chimera.
Stretched to the limit by refugees and the Chimera's rapid advance, the UED fell apart and what remained of the European nations were reduced to desperately fighting against each other for military resources and time. In one incident, the UED went as far to halt British VTOLs to confiscate their supplies and secretly murdered their crews in retaliation to the British redirecting their needed resources from Europe to the Avalon One colony in Australia.
After the fall of Europe, remnants of the UED continued to exist and operate through a radical splinter group, the Maquis.
- The United European Defence is similar to the real-life western hemisphere organization the North Atlantic Treaty Organization (NATO).