Sturgis, Col. Samuel D.: [36]
Submarine chasers, Japanese: [101]
Submarines, Japanese: [22]
Submarines, U. S.: [16], [19], [21], [31], [90], [294], [366]
Sugud: [235]
Sulu Archipelago: [10]
Sulu Sea: [27], [31], [89], [96]
Suluan Island: [31], [34], [54]–55, [57], [85], [89]
Sumatra: [51]