important part of finding wreckage. >> reporter: the names are intriguing but they have potential to accomplish is amazing. the orion, the triton xls, the dorado. they are aovs and rovs. >> a black box is not a problem at all for it to pick up in a basket and recover it. >> reporter: this is the triteton based in florida connected to a ship by an umbilical cord. then there's the aovs which are not connected. this is the orion run by the u.s. navy by a company called phoenix international. they paint a picture of what's on the bottom. then there is the rena 6000 also an aov. they've had tremendous success locating the wreckage of air