I still like the idea of enormous floating landing fields and refueling depots made out of a substance known as 'piecrete'. Not sure if the spellings correct but it was a form of slow melting ice.
Ask for apple pie at 3:30 in the morning at a Pilot, Flying J or TA truck stop. Now, that's piecrete.
I saw that on the Science Channel the other night, I'd never heard of it before. Pretty amazing.
"Pikecrete" -- after the inventor, Geoffrey Pike. Mix of paper pulp and seawater. They overlooked the minor fact that seawater is difficult to freeze...