There are some previous answers that talk about the dissolution of the Soviet military that you may be interested in, although of course more answers could be given:
How did Yeltsin gain control of the army/police when dissolving the USSR?, answer by /u/Kochevnik81
It's the 25th of December 1991 - I am a Soviet enlistedman, my buddy is a political officer (commissa?), and my boss is a very high-ranking officer. What happens tomorrow, as the nation dissolves?, answer by /u/Kochevnik81
I'm an Estonian officer in the Soviet Navy on a mission at sea in 1991. What happens with me when Estonia declares independence, when USSR acknowledges it, and when USSR finally dissolves?, answer by /u/Kochevnik81
I hope these help! The first one looks particularly relevant.