Did you check that your grandparents were soldiers?

Check. Being a soldier should not only examine the individual politically, but also examine the political situation of the main family members and social relations members of the enlisted personnel. Grandparents are the main family members, and they will accept criminal records and participate in the review of cults and other acts that undermine national security. Under normal circumstances, the investigation of grandparents will not be too in-depth, and the deceased will not be investigated.