無む人じん偵てい察さつ機きMeaningsNoun1. surveillance drone; unmanned reconnaissance planeKanji used無nothing人person偵to spy察guess機machineComposed of無む人じんunmanned; uninhabited; unattended; desertedNo-adjective偵てい察さつscouting; reconnaissanceNoun機きchance; opportunity; machine; aircraft; counter for aircraft; counter for (remaining) livesNoun