Title says it all - from the Destiny blog
[url]http://thedestinyblog.com/2014/07/27/report-destiny-will-have-22-story-missions-11-crucible-maps-6-strikes-4-exploration-areas-and-1-raid-at-launch/[/url]
English
#Destiny
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I'm sorry but I will not believe there are only 22 story missions. Bungie also confirmed in another video a couple days ago that there are 16 confirmed crucible maps so hopefully this ain't true