The concept of a "sub-carrier," a submarine capable of launching combat drones from a flat-top flight deck, is becoming increasingly plausible. The U.S. Navy has already tested drone launches from submarines, including the Sea Robin and Blackwing.
Like traditional carriers, the sub-carrier would have an elevator and flight deck for unmanned combat vehicles. The sub-carrier would also have ballast tanks to raise or lower the vessel.
Two private-sector Indian defence firms have announced that they will co-operate in the research and development of a submarine-launched unmanned aerial system (UAS). According to an industry source, the UAS will comprise the unmanned aerial.
The Portuguese Army has upgraded its intelligence, surveillance, target acquisition, and reconnaissance (ISTAR) capabilities, with its deployable intelligence fusion system having achieved an initial operational capability (IOC), the Command.