Retired Air Force Major General  William "Neil" McCasland  went missing last month … and his wife thinks his disappearance may have been intentional. In the newly-released 911 call from his February 27 disappearance -- obtained by Law&Crime Network -- Susan McCasland Wilkerson tells the dispatcher that she has "some indication that he planned not to be found." She said Neil changed his clothes, turned his phone off and left it behind ... which she noted "seems kind of deliberate, because he's