Aircraft specially designed to carry out reconnaissance, interference or attacks against hostile radars, radio communications equipment and electronic guidance systems. Divided into electronic reconnaissance aircraft, electronic jamming aircraft, anti-radar aircraft. Electronic jamming devices are used for military purposes and can suppress all wireless signals from the enemy. It can make the enemy wireless communication equipment failure, and thus difficult to command, can also make enemy radar a snowflake, become "blind". With its unparalleled breadth of vision, the electronic jammer is more powerful. Although often in conjunction with the naval operations, but electronic jammer is generally subordinate to the Air Force, mainly for the implementation of the Air Force formations to prevent, destroy or destroy enemy air defense system and other tasks. The following is an example of the $literal "hovering" electronic jammer.