Doing the beta on PS4 - - sorry if I missed it but there is 3 boxes on the hud - the grenade, the melee and then what is the 3rd box for and how do we use it? I pushed buttons every which way and can't get anywhere on it - appreciate your help! [spoiler]Moderator edit: This thread has been moved to the #Destiny forum. See [url=https://www.bungie.net/en/Forum/Post/140391030/0/0]Cozmo's thread[/url] for more information about the #Destiny tag and its uses. Feel free to private message the moderator who moved your post, link to topic, for further clarification about why this topic was moved.[/spoiler]