That's what was hinted at back in the second scene:
"He raised his hand up then glanced at me critically. “No, he doesn't know his basics, have to compensate...” he muttered before starting to modify it." (Ed is talking to himself about the MC)
Anyway, I'll go with:
[X]”We might be able to sneak on board. That armour conceals the face, so if we ambush some soldiers we could hopefully remain hidden until we reached some port.”
"He raised his hand up then glanced at me critically. “No, he doesn't know his basics, have to compensate...” he muttered before starting to modify it." (Ed is talking to himself about the MC)
Anyway, I'll go with:
[X]”We might be able to sneak on board. That armour conceals the face, so if we ambush some soldiers we could hopefully remain hidden until we reached some port.”