China replaces nuclear unit leadership amid ideology shift

China has replaced heads of its nuclear Rocket Force unit.
New appointees are former deputy navy chief Wang Houbin and central committee member Xu Xisheng
Outgoing leaders General Li Yuchao and Liu Guangbin face corruption probes.
Move follows Wagner group rebellion in Russia, signaling Xi's focus on ideological control.
This shakeup comes after dismissal of Foreign Minister Qin Gang, marking leadership change.