On February 11th, just a few day after Atlantic Federation, Eurasia Federation and East Asia Republic founded the Earth Alliance to replace the now-destroyed UN, the newly formed Alliance declared war on PLANT.

A huge fleet, combined forces of the three Sponsor Nations, was launched from Ptolemaeus Lunar Base flying toward PLANT, with the intention of subduing the rebellious coordinators.

Nuclear weapons were secretly loaded into in one of the Agamemnon class carriers, the Roosevelt.