Cordell will take the shimmery grey material and collar and take it back to the medical bay to utilize on the captain's remains, as a way of preserving his corpse and to store it safely.
At Resalon's outburst, the nano simply says, "I won't abide a mutiny. I don't really like Dante either, but he outranks us both. The only one with more seniority is Adil, isn't it?" The doctor shakes his head. "I don't trust CB, but it doesn't really make a difference. Any mission she could have arrived to as late as a year from now isn't exactly pressing. I'm more worried about making sure the ship is safe from The Flying Cragworm, repaired, and resupplied, than heading into an unknown danger."