A blur is detected in deep space and what at first appears to be a comet with a 12 million mile tail, but without the orbit. After realizing it is not orbiting the sun an Air Force team discovers what may be an invasion fleet of several billion space ships headed for earth. They must determine their purpose and military intensions along with the physical makeup of the Thermaloids and their ships. Several possibilities are determined and all must be addressed in order to save mankind. The military has less than two months to prepare for this possible attack. The equipment and defense in both space and on land is based on the ability to develop special weapon systems and tactics to withstand such a large attack force.