Navy programs such as the T-AGOS
13-18 ocean surveillance ships, the T-AGOS
23 SWATH ocean surveillance ship, the T-AGS 51-52 coastal hydrographic survey ships and the T-AGS 60-65 hydrographic survey ships gave NOAA confidence in our ability to build very quiet ships.
He cited Halter's experience in building the previous T-AGS 60 class vessels, T-AGOS
13 through T-AGOS
18 ocean surveillance ships, a T-AGOS
23 class SWATH ocean surveillance ship currently under construction, T-AGS 51 and T-AGS 52 hydrographic survey ships and oceanographic research ships, AGOR-23, 24 and 25 and NOAA-AGOR Ronald H.