Question: Facts:   - caption: timothy kinnan , usaf    - battles: deny flight , southern watch , provide comfort    - allegiance: united states of america    - commands: air force doctrine center    - relations: wally kinnan    - nickname: `` conan ''      - awards: defense defense superior service medal legion of merit distinguished service medal air force distinguished service medal    - birth date: 24 april 1948    - serviceyears: 1970 -- 2004    - name: timothy alan kinnan    - branch: united states    - laterwork: vice president , c4isr at lockheed martin corporation    - image: timothy a kinnan.jpg    - birth place: tacoma , washington    - rank: 50px lieutenant general   Based on these bullet points, write a short biography describing the life of timothy a. kinnan .
Answer:
timothy alan kinnan -lrb- born april 24 , 1948 -rrb- was a lieutenant general in the united states air force he retired from active duty in september 2004 .