The world has been witnessing an arms race since the inception of the human being. Humans have always had a talent for manufacturing and upgrading commodities, even weapons that are typically intended to harm other humans, which is ironic but has been ingrained in human blood.
Weapons were first used for hunting during the dawn of the human species, but with the passage of time, weapons began to be used in battle to seize other people’s territories with the intention of expansion. As a result, progress continued indefinitely, but it became a race after WWII when antagonism between the United States and the Soviet Union peaked.
I mean, it can be very stealthy. Like Su-75, that can be only detected through a careful analysis of russian defense spending