| Defence Survive, Evade, Resist, Extract Training Organisation | |
|---|---|
 Organisation badge | |
| Active | 2008–present |
| Country |  United Kingdom |
| Branch | |
| Type | Tri-service training organisation |
| Role | Survive, Evade, Resist, Extract (SERE) training |
| Part of | No. 22 Group RAF |
| Location | RAF St Mawgan |
| Motto(s) | Constant Endeavour |
The Defence Survive, Evade, Resist, Extract (SERE) Training Organisation (DSTO), is a military training organisation based at RAF St Mawgan, Cornwall, in the United Kingdom. It is tri-service and trains personnel in survival techniques, evading capture and resistance from interrogation.