CONTROL DEVICE, PROGRAM, AND CONTROL METHOD

There is provided a control device, configured to control a plurality of flight objects having a solar panel, a battery for storing an electrical power generated by the solar panel, and an antenna for forming a communication area on a ground with the electrical power stored in the battery and providing a wireless communication service for a user terminal within the communication area, the control device comprising: a flight object selecting unit configured to select a to-be-replaced active flight object among a plurality of active flight objects, which are flight objects each flying while covering a target area with the communication area; and a replacement controlling unit configured to replace the to-be-replaced active flight object with a standby flight object, which is a flight object flying without forming the communication area.