 They are carried on several combatants as well as non-combatant ships.They are also operated from and maintained at the INS Shikra and INS Utkrosh Naval Air Stations in Mumbai and Port Blair respectively.The Indian Navy operates at least two squadrons of Heron and Searcher Mk-II UAVs, based in Kochi (INAS 342) and Porbandar (INAS 343).