Today we retire our S-2T anti-submarine aircraft & welcome new Lockheed P-3C aircrafts. The new fleet of #Taiwan #AirForce will not only strengthen our #defence capability, but also our role as a responsible stakeholder in regional #security. http://pic.twitter.com/aSb8WaeO8L— 蔡英文 Tsai Ing-wen (@iingwen) December 1, 2017