Stiletto be employed along with the dagger as a fighting weapon; a 1536 dueling treatise authored by Achille Marozzo, "Opera Nova", contains sections on dagger and stiletto fighting. By the time of the Renaissance, the term stiletto had come to describe a range of slender thrusting knives closely resembling the French poignard, many with conventional dagger-profile blades and sharpened edges, but always retaining the slim profile and needle-like point. To lighten the weapon, many stilettos were equipped with blades carrying fullers over a portion of their length. The stiletto remained a popular weapon of criminals or political assassins from the 16th
M80 Stiletto the Stiletto participated in Trident Warrior exercises, as well as a number of other naval exercises. This included three days of mine-clearing experimentation during Exercise Howler in 2006, when the vessel was operated by the Naval Special Clearance Team-1 (NSCT-1) from the Naval Amphibious Base in Coronado. A key feature of this vessel is that it can set up a network between a special forces team by launching an unmanned aerial vehicle (UAV) that relays information between the team and boat. The Stiletto can also carry surveillance UAVs to provide reconnaissance for the SEAL team, and, using a clustered supercomputer