Unknown word: "anned" [closed]

From "Stranger in a strange Land", Robert Heinlein

"My passenger must not, repeat, must not be subjected to the strain of a public reception. Provide low-gee shuttle, stretcher and ambulance service, and anned guard." (ref.)

What could "anned" mean in this sentence?


Solution 1:

It's an OCR mistake for "armed guard". (Confirmed by Google books).