Unlike in Afghanistan, CIA and Pentagon are not in a position to "evacuate" their collaborators. And the torrential flow of events has shocked the Washington establishment. Kazakhstan is a large country (two-thirds the size of India) and sparsely populated (18 million), and the CSTO forces who moved in are well-equipped and led by a tough seasoned general who crushed the  US-backed insurgency in Chechnya.

The Russian forces have taken with them advanced Leer-3 electronic warfare system, which includes specially configured Orlan-10 drones, jamming devices, etc. Borders have been sealed.

The mandate for Russian forces is to protect "strategic assets". Presumably, such assets include the Pentagon-funded labs in Kazakhstan.

The Evolution of Modern Russian Unconventional Warfare

'Sapere aude'