During a moment of crisis, Mohammed Morsi was AWOL, sending the wrong signal to Americans and Egyptians alike.
also a.w.o.l., military initialism for absent without leave. The -o- seems to be there mostly so the initialism can be pronounced as a word. In U.S. military use at least from World War II, popular use by 1960.
Absent without leave
A person who is absent without leave (Armed forces fr WWI)