I used to serve in the army. I am a non-commissioned officer and have worked for twelve years. Now that I'm retired, can I get my social security back? How to deal with it

The number of years required for veterans to make up social security is (15 minus their service years as soldiers). Old-age insurance is paid by the state during the working period, and can be paid in an individual capacity after retirement. Social insurance is a social and economic system that provides income or compensation for those who lose their ability to work, are temporarily unemployed or suffer losses due to health reasons.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.