Doonesbury by Garry Trudeau for July 25, 1980
Zonker: Why am I doing this? Now they've got me for life! Man: Thank you, sir. Zonker: I'll be the first called up. I know it. Man: Excuse me, young man. You forgot to answer the question on the back. Zonker: Oh, sorry. "If called up by your country, would you be willing to give your life to protect the interests of US oil companies?" OIL COMPANIES? Man: It's only hypothetical. We're just trying to get a head count.