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One project in particular, off Busan, South Korea, is roping in a combination of high and low technology to create a large-scale, on-water town, which will be able to house more than 10,000 people.

"They provide an economical, low technology, less expensive and high energy-saving treatment technology."

The design has features that are interesting, Matthews said by email, “however, it has a very low technology readiness level and would require a lot of work to confirm that the design is feasible.”

“Space was once an exclusive frontier accessible to few. Today, the barriers to entry into space are relatively low. Technology advancements and access to, through and from space enable participation by almost any nation with the will,” Gen. John Hyten, commander of U.S.

“We don’t want the U.S. to be kind of the dumping group for the really low technology because there isn’t a standard to meet,” said Dan Zielinski, the association’s senior vice president.