 However, their relatively light armament does not fit with that qualification.A cannon (Oto Melara 76 mm) is adequate for deployment against smuggling vessels (such as interception of drug transports with fast speed boats in the Caribbean).Secondary armament is provided by a 30 mm Oto Melara Marlin WS rapid cannon, two 12.7 mm Oto Melara Hitrole NT's and two 12.7 mm M2HB machine guns.