In 2005 he won the Space Journalism Prize for articles he wrote about private spaceflight.

The first private human spaceflight took place on June 21, 2004, when SpaceShipOne conducted a suborbital flight.

Space advocacy is supporting or advocating for space exploration, space colonization and private spaceflight.

Eventually, private organizations were able to both offer and purchase space launches, thus beginning the period of private spaceflight.

The Act resolved the regulatory ambiguity surrounding private spaceflights and is designed to promote the development of the emerging U.S. commercial human space flight industry.

Many have speculated on where private spaceflight may go in the near future.

It spurs pioneering development in private spaceflight.

The X Prize is seen as a major boost for the cause of space tourism, and of private spaceflight in general.

"She represents the potential of women if given the chance, and that includes being a pioneer for private spaceflight."

It also encompasses government regulation of third-party activities such as commercial communications satellites and private spaceflight.