Gear sets, have 4 of the same gear set and unlock unique talent (also has stats that must be reached), you get gear sets from incursion, challenge mode, blue prints and from there's also a dark zone gear set from the dark zone
They are located throughout the world
Gear Score removed at level 30 and replaced with Gear score which is a rating on the gear you have essentially calculated as gears higher than your level + quality of gear
Edit: Trading for group players for 2 hrs after weapon is picked up, dark zone requires you go to a "gate" when trading so you can't trade for instance in battle
more named weapons are coming
Edit 2: weekly and daily assignments, combat, crafting and dark zone which give phoenix credits, division tech and other "good rewards"
Edit 3: supply drop: every hour in different locations in the dark zone, only first that get there gets the rewards, protected by "tough enemies" the loot doesn't need to be extracted, if you get there with a group the whole group gets the rewards, seems like if your group and another same place same time fight to the death
Spectator cam: follow your teammates while you're dead
EDit 4: falcon lost (first incursion) drops April 12th..... along with other changes
Edit 5: Incursion has hard and challenging mode
challenging mode you should have gear sets
Edit 6: Drones and APC confirmed for the incursion, there'll be new mechanics at play, you can match make for incursions, no CHECK POINTS for incursions if you wipe it's game over, incursions are repeatable, you get a BIGGER reward the first time you do it in a given week
Edit 7: full details
Free Incursions DLC for The Division Coming April 12, New Features Revealed - UbiBlog - Ubisoft®