saa15 halmahera
| Explorer | Saavedra Ceron, Alvaro de |
| Nationality | Spanish |
| Part | 3 Return attempts |
| Description | a: Halmahera – assessment |
| Explorer | Saavedra Ceron, Alvaro de |
| Nationality | Spanish |
| Part | 3 Return attempts |
| Description | a: Halmahera – assessment |