Hard to Guard!

 After tales of Space Horror like 1968's The Green Slime and 1958's It! The Terror from Beyond Space, and considering the smallpox plague on Amerindians, it was only prudent to isolate astronauts after their return from the Great Beyond.

Please join me in being thankful that there were no 22-day space viruses!

  

This is from the July 25, 1969 issue of Time.  See you next week!