Not an exhaustive search, but there doesn&#x27;t seem to be a definitive source that explains that all machines have been replaced, however the TSA has laid out the timetable for June 1, 2013, and that all machines were to be removed by Rapidscan at their own expense.<p><a href="http:&#x2F;&#x2F;blog.tsa.gov&#x2F;2013&#x2F;01&#x2F;rapiscan-backscatter-contract.html" rel="nofollow">http:&#x2F;&#x2F;blog.tsa.gov&#x2F;2013&#x2F;01&#x2F;rapiscan-backscatter-contract.ht...</a>