Quick Tip: It may seem obvious to some, but I thought I'd share. The single-shot rocket launcher is abysmally slow, but if you combine it with the Rally Barricade, you get some quick DPS. If you haven't played a titan yet, the barricade instantly reloads your empty clip. Here's a quick clip of it in action (15 secs): https://youtu.be/LNKZ7hxNlMQ