The Combined Operational Load Bearing External Resistance Treadmill (or C.O.L.B.E.R.T.) is the real reason why NASA's Node 3 was launched. Node 3 is just the box for the C.O.L.B.E.R.T.Episode #540 After a slight delay (bears are suspected C.O.L.B.E.R.T. Launch!! it was launched in late August, 2009.