Metal Gear Solid 5: The Phantom Pain – Side Ops 153 Target Practice (Support Unit Platform)
Visit the newly constructed Support Unit Platform and use a non-lethal weapon for some target practice.
Metal Gear Solid 5: The Phantom Pain – Target Practice (Support Unit Platform)
Follow the marker once you arrive at the Support Unit Platform and press the appropriate button to kick off the round of target practice.
There are 35 targets in total and all of them will pop up in the area above, so if time is running out and you're a few shy, take a look inside to find the more elusive ones.