article_snippet: Meanwhile, Australia, Canada, France and the United Kingdom . have progressed toward airspace integration and allow for .
article_snippet: commercial use, the Government Accountability Office (GAO) said .
article_snippet: Australia has granted operating certificates to 185 .
article_snippet: businesses, while several European countries have granted .
article_snippet: licenses to more than 1,000 operators, according to a report to the subcommittee.
article_snippet: While the Government Accountability Office (GAO) said overseas restrictions are similar to .
article_snippet: those proposed by the FAA, the FAA noted that France has begun to .