The support staff in the USAF is far safer than those supporting the Army infantry. The other 17-33% of the casualties were still something. In the air force if you aren’t actually flying in a combat air craft you are normally pretty safe, or at least it seems to me.
Our Air Force people were mortared on a regular basis during our current desert adventures. Plus some of the natives working on the bases attacked personnel. Not the pointy end of the spear exactly, but still dangerous.