A Bofors 40 mm L60 Anti-Aircraft Gun of the Philippine Marines on a towable platform. It formed part of the security for the 2015 APEC Summit.
<a href="//commons.wikimedia.org/wiki/User:RoyKabanlit" title="User:RoyKabanlit">RoyKabanlit</a>
<span class="int-own-work" lang="en">Own work</span>