Consistent with industry standards, index values update at 15 second intervals. Assembly (pretty simple) I brought two and put both together all by myself-(female power) lol. Rolls-Royce and General Electric were jointly developing the F136 engine to power the Joint Strike Fighter, however, due to government budget cuts, the program has been eliminated. Relief Ship from Poster: Space Age Blueprint by Jon. For more information on using volume to identify reversals, click here.