Megatron would find a number of things if he went looking around that ring. Odd liquid-proofing, weird stains, and attachment places and covered panels hiding inset ring-loops for tying structures - or perhaps even mechs - down.

...Not suspicious in the least.

Optimus smirked back at him with the laugh, snorting. At least the open reaction was fairly telling - and in a good way. Optimus couldn't help but worry, of course. He might trust Megatron, by and large, but his associates were another matter entirely.

"Good to know. If you can get genuine information out of the prisoner through your 'contact', I'll certainly won't turn the help down. ...And for future reference? Yes, you should probably specify." He snickered softly, amused.