the invention relates to a launched aerial surveillance vehicle , more specifically to a grenade or under - slung grenade launcher aerial surveillance vehicle , a surveillance system and methods of providing rapid aerial surveillance . the vehicle once deployed is capable of autonomous flight paths , with basic inputs to change the circular flight paths , so as to build up surveillance for an area of interest . the vehicle comprises at least one optical sensor , which may be ir or visible range , to survey the area of interest , and feed the images back to at least one remote user .