Random triples
| Subject | Object |
|---|---|
| gptkb:Imperial_Japanese_Navy_submarine_force | RO-class submarine |
| gptkb:Imperial_Japanese_Navy_submarine_force | Kaiten (manned torpedo) |
| gptkb:Imperial_Japanese_Navy_submarine_force | gptkb:Sentoku-class_submarine |
| gptkb:Imperial_Japanese_Navy_submarine_force | I-class submarine |