Completing the optional training on the Mother Base | Walkthrough MGS V: TPP Guide

Train how to stun and how to grapple

To begin additional training you need to speak to Ocelot. You are going to have two parts of training. At first you have to practice stunning your enemies. Try to stun the volunteers and fulton them away.

The next part of this training will allow you to practice throwing your enemies and making a series of quick punches. Fulton the knocked out people away.