We have moved past the period when current or future major league players would serve in the military. The Vietnam War period of the late '60s/early '70s is the last time references to military service commonly appeared on cards. You'll probably never see it again. But as a child, it was nothing to see "In Military Service" on the back of baseball cards. The early '70s was a time of change for ballplayers. While hippies and other counter-culture club members were everywhere in the '60s, it took ballplayers a little while to catch up with everyone else. So, the early '70s was a crazy mix of humanity on the ballfield, as evidenced by these 1973 Topps cartoons: Some players served in the military. So others could have the freedom to enjoy their degenerate, freaky music. Or chase skirts. Or marry in high school. Or be really, really creepy. But there were other straight arrows on the field in '73. Brainiac types. Working-class ...
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