Construction of Revetments by 556th Civil Engineering Squadron using Thai labour, at Ubon Royal Thai Air Force Base.
Two tractor earth movers carrying metal siding sections to other side where F-4 Phantom revetments are set up. Workers install siding sections and metal pieces. A Thai worker directs the tractor earth mover. Location: Ubon Ratchathani Thailand. Date: August 8, 1968.