This spring the Park Avenue Armory will be the site of his artistic expedition to Mars, complete with a biology lab for Martian plant cultivation. (Sachs borrowed the technology from marijuana growers.) And this month his show "Work" opens at New York's Sperone Westwater gallery, featuring pieces like a Japanese tea ceremony and a version of Roy Lichtenstein's razor-blade painting "Duridium, " made here out of screws.

WSJ: Tom Sachs

After a hectic day of media interviews, tea-drinking and chatting with the "old boys", they took part in the formal closure ceremony, which included a fly-by and drill display.

BBC: NEWS | UK | Sad salute to war command centre