Amelia matches his frown. "If that is the case, then the offense is unintended. It is very interesting, though. Yet they weren't spacefaring vessels, I take it?" Likely sea-going, then.

She glances over his sketches, taking in the unfamiliar designs. "I'm afraid I don't know what an airplane is, but I assume it is something that is capable of flight of some sort. A one-off spacecraft seems quite wasteful, though."

Her focus is on the shuttle drawing. "Where does it get the energy needed for its thrusters?"