beijing senior chinese space official military officer promote run people liberation army key equipment development department military say monday part reshuffle ahead next month communist party congress china arm force world large ramp capabilities new equipment like aircraft carriers stealth fighters country pursue assertive stance dispute east south china seas seek project power far home shore brief story website military technology exhibition beijing defence ministry name li shangfu new head military equipment development department give detail appointment accord official resume li previously director one china main satellite launch sit xichang southwestern province sichuan involve missions explore moon u.s. defense department highlight china increase space capabilities say pursue activities aim prevent nations use space-based assets crisis china insist peaceful ambition space test anti-satellite missiles li 59 take zhang youxia likely reach retirement age li could promote zhang position central military commission overall charge people liberation army party hold once-in-five-years congress beijing next month however source familiar matter tell reuters commission may cut xi four vice-chairmen away committee members streamline report line president xi jinping commander-in-chief china arm force currently chair commission also comprise two vice-chairmen eight committee members china military prepare sweep leadership reshuffle drop top general include two source say investigation corruption china early month also appoint new commanders army air force chinese space official promote part military reshuffle