This be t' forth tether flight o' Xaero. Well, blow me down! This is a flight that runs until t' fuel is gone. This makes for a good impromptu test o' t' structure at t' end o' t' run when t' rocket flames out and is caught by t' tether. We did nay fill t' fuel tank all o' t' way up on this flight. T' flight test went well and we'll be back out t' fly some more after t' crew has t' chance t' analyze t' data.