> ... civilian author's ...
Hmm... the author is listed as: "Gunnery Sergeant Andrew Guthart, U.S. Marine Corps", which does not sound civilian to me. Civilians usually don't have military titles.
Hmm... the author is listed as: "Gunnery Sergeant Andrew Guthart, U.S. Marine Corps", which does not sound civilian to me. Civilians usually don't have military titles.