What will I miss if I don't explore Mother Base?

Solution 1:

Community Reported Scenes:

• On first arriving at the Support platform, a scene with Ocelot telling recruits to "forget everything Hollywood taught you" and lightly mocking a detailed (engraved) pistol.

Solution 2:

There are quite a few - As Jeeva says, there is the one with Ocelot, but there are others, like a few linked with D-Dog, and him growing up (triggered when arriving on the base after rescuing him as a puppy), also if you stay out on the field for extended periods of time, you will get dirty to the point that flies start buzzing round your head - returning to mother base will trigger a cutscene where Ocelot throws a bucket of water over you.

There's lots of small things like that, but yes, I do agree with you - Motherbase is a little empty and you won't gain a whole deal more from exploring it thoroughly.

The only other thing that springs to mind as an incentive to explore is the hidden diamonds that are scattered around that you can pick up for some extra GMP.