Œš•¨ : ˆ³—Í’²®Žº
> ‰f‰æ‚ðĶA¶‰E‚Ì‘¤
 
A test ‹@ŠB at Johnson, meant to check rocket engines in near vacuum atmospheres. Also used to test the operation of the Mars explorer robot under simulated surface temperature and pressure conditions. A real simulator.