Photos of the "sky penis" were posted on April 27 on an unofficial US Air Force Facebook page. The post had been shared almost 500 times by Monday.
On the April 27 post on the Air Force's unofficial Facebook page, many commenters compared the the Air Force's "sky penis" to the Navy's.
"The Navy's artwork was much more crisp though. I give this a 6/10. Good attempt," one user wrote.
"That's why the Air Force has pilots and the Navy has aviators," another user added.