Code 1-Alpha-Zero

Code One Alpha Zero was an increased state of readiness aboard a starship in which the crew prepared for answering a starship distress call.

Commander Riker ordered a code One Alpha Zero - "Ship in distress" when it was learned that the USS Jenolan had crashed on the outer surface of the Dyson sphere. 

Code 1 Alpha 0 コード1・アルファ・ゼロ