ube S at ▁space craft ▁will ▁make ▁use ▁of ▁a ▁mini ature ▁electric ▁R F ▁ion ▁engine ▁system ▁based ▁on ▁B use k ' s ▁ 3   cent imeter ▁R F ▁ion ▁thr uster , ▁also ▁known ▁as ▁B IT - 3 . ▁It ▁util izes ▁a ▁solid ▁i od ine ▁prop ell ant ▁and ▁an ▁induct ively - cou ple d ▁pl asma ▁system ▁that ▁produces ▁ 1 . 1   m N ▁thrust ▁and ▁ 2 8 0 0 ▁sec ▁specific ▁imp ulse ▁from ▁approximately ▁ 5 0 W ▁total ▁input ▁power . ▁It ▁will ▁also ▁use ▁this ▁engine ▁for ▁capture ▁into ▁lun ar ▁orbit , ▁and ▁orbit ▁adjust ments . ▁ ▁It ▁is ▁estimated ▁the ▁space craft ▁will ▁take ▁about ▁ 3 ▁months ▁to ▁reach ▁the ▁Moon . ▁ ▁Fl ight ▁software ▁The ▁flight ▁software ▁is ▁being ▁developed ▁in ▁SP AR K / A da ▁by ▁the ▁Verm ont ▁Techn ical ▁College ▁C ube S at ▁Lab . ▁ ▁SP AR K / A da ▁has ▁the ▁lowest ▁error ▁rate ▁of ▁any ▁computer ▁language , ▁important ▁for ▁the ▁reli ability ▁and ▁success ▁of ▁this ▁complicated ▁space craft . ▁ ▁It ▁is ▁used ▁in ▁commercial ▁and ▁military ▁aircraft , ▁air ▁traffic ▁control ▁and ▁high ▁speed ▁trains . ▁ ▁This ▁is ▁the ▁second ▁space craft ▁using ▁SP AR K / A da , ▁the ▁first ▁being ▁the ▁Basic ▁Low ▁Earth ▁Or bit ▁C ube S at ▁also ▁by ▁the ▁Verm ont ▁Te ch ▁C ube S at ▁Lab , ▁the ▁only