As I understand it ... not anymore ... they let them all sit and rot.
Nope, they are again for sale...the ones not tested for formaldehyde and not recommended for long term living. So go camping once a year, it won’t hurt ya!
http://www.governmentauctions.org/fematrailers.asp#.UlW6PBCJNa0
http://www.fematrailersforsale.org/