I watched that Minotaur IV launch and was really impressed by its performance. Being a former Peacekeeper ICBM, it gets up and moves. Supersonic in under 20 seconds according to Scott Manley and the Max-Q callout came just before Mach 4. When the party's in Moscow, you don't want to be late...
https://spaceflightnow.com/2020/07/14/minotaur-4-nrol-129-mission-status-center/