I mean there are jokes in the space program ('Burn Baby Burn', 'NOTE: BLACK SIDE DOWN', I'm sure there's more), so I don't know if expense is a limiting factor.

I mean there are jokes in the space program ('Burn Baby Burn', 'NOTE: BLACK SIDE DOWN', I'm sure there's more), so I don't know if expense is a limiting factor. I will admit, though, I don't know what I'm talking about - so if you do I'm happy to take your word for it.