Metal gear V: Ground zeroes?

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Ground zeroes is the prologue to MGS V: The Phantom Pain. MGS is my favorite franchise but this one is different, the cutscenes are much shorter and it isn't heavy on them like the previous entries. Ground Zeroes in the timeline is in between MGS 3 And Metal Gear.

So here is the timeline MGS 3-PSP titles-Peace Walker-Ground Zeroes-Phantom Pain-Metal Gear-Metal Gear 2-Metal Gear Solid-Metal Gear Solid 2-Metal Gear solid 4 and Rising Revengance but I don't count it as canon.

If you want to catch up on the story i suggest watching the main entries online, a good youtuber is Vash12349. Also if you have a ps3 you can download the interactive Metal Gear encyclopedia.