Please answer the following question: Facts: - death place: da nang , vietnam - years active: 1965 -- 1969 - caption: cathy wayne publicity shot - birth name: catherine anne warnes - death date: 20 july 1969 - genre: pop , rock - birth date: 07 december 1949 - name: cathy wayne - background: solo_singer - image: cathy wayne.jpg - birth place: arncliffe , new south wales , australia - associated acts: col joye , sweethearts on parade - occupation: singer , dancer Based on these bullet points, write a short biography describing the life of cathy wayne .
A:
cathy wayne was the stage name of australian entertainer catherine anne warnes -lrb- 7 december 1949 -- 20 july 1969 -rrb- who was killed during the vietnam war by united states marine sergeant james wayne killen .wayne had just finished a song for us marines at a non-commissioned officer 's club near da nang in south vietnam .killen was convicted of the unpremeditated murder of wayne ; at his court-martial it was alleged that he was aiming for his commanding officer , major roger e. simmons .wayne had intended to use money earned from her performances in vietnam to revive her recording career ; and to marry her fiance , clive cavanagh , who was the drummer for her performance troupe , sweethearts on parade .wayne was the first australian woman killed during the vietnam war .