The territorial waters have become, over the years, a very sensitive component of the state’s security and, at the same time, an element of the ecosystem which must be preserved accurately beside the proliferation of environmental emergencies. For this reason, the corps responsible of their surveillance and protection need sophisticated equipment with high performance for emergency management at sea, for maritime search and rescue, and for the protection of the environment. To meet these demands the A.ST.I.M.’s system was born.