Submarines Are Tight Spaces, Right?

How do you get a corpse from its freezer to the frekan submarine? Chumley had an idea. A custom box for the corpse that would conceal it from everybody, not in the now, but also make it precious cargo. And just like that, he got under wayh on a six foot canister. That body included would weigh about 400 pounds,. with an air tight seal to ent the body from, you know, further decay.