That's... a bit more difficult than you make it sound.

[Something easy to remember to say even in a stressful situation. Humming for a moment, he thinks. And finally--]

Alright, then... what about "ARCUS"? We're both more than familiar with relying on them in a pinch, and it's probably not something that would come up otherwise.

[Clearly he's still thinking this is about safety. But this is fine.]