<page_title> M61 Vulcan </page_title> <section_title> Applications and first combat use </section_title> <table> <cell> 29 June 1966 <col_header> Date/Year </col_header> </cell> <cell> F-105D Thunderchief <col_header> Firing aircraft </col_header> </cell> <cell> MiG-17 <col_header> Aircraft downed </col_header> </cell> <cell> 421st Tactical Fighter Squadron <col_header> USAF Unit/comments </col_header> </cell> </table>
The first confirmed Vulcan gun kill occurred on 29 June 1966, by F-105 Thunderchief, with the 421st TFS, downed MiG-17.