Surveying Ships (AGS)
1922-1945: Large
AGS-4 (Bowditch) (initially AG-30)
1922-1945: Small
AGS-1 (Pathfinder)
AGS-2 (Hydrographer)
AGS-3 (Oceanographer)
AGS-6 (Derickson) class (AGS 6-10): ex PCS-1458, 1388, 1396, 1404, 1457
AGS-11 (Chauvenet) class (AGS 11-14): ex YMS-195, 242, 262, 263
Other AGS Hull Numbers, 1920-1945
AGS-5 (Sumner): see AS-2 (Bushnell)