Auto Destruct
From Starbase 900 Wiki
Extreme measure to prevent a starship from being captured by an enemy, also referred to as self destruct. The auto destruct can be initiated by the captain, acknowledged by voice recognition and personal command code. In most cases it is necessary that the first officer or other senior officers confirm the auto destruct. A silent count-down can be selected in order not to warn enemy forces that are already aboard the ship.