The Sentinel

There are three builds of the sentinel I love to field, the first is my general purpose sentinel:

Optimally fielded as two separate scout sentinels so they can fire at multiple targets if necessary, this is a defensive sentinel build, equipped with an autocannon so i can target just about anything, and cammo netting. Basically use your scout movement to get your sentinels into cover and killing by turn one.

second is my anti-infantry sentinel:

also a scout sentinel, and instead equipped with a heavy flamer, that's it. I simply outflank with my sentinels, and use them both in the same unit, that way, they can burn the bejesus out of any light infantry, and enter close combat in the same turn, to prevent the enemy from shooting any of the big stuff at them. This build is fantastic for fighting Guard, Tyrannids, even Tau if used properly (kroot hate flamers).

And lastly, is my least used build, the Anti-tank sentinel:

This is a heavy sentinel, with smoke launchers, and a lascannon. Use both sentinels together so you can keep them moving across the table (units in squadrons treat crew shaken as crew stunned, so they can keep moving even if they can't fire) and use the smoke launchers to create cover where there is none, just make sure only one pops smoke at a time, so the other can save it's if need be. I don't use this build a whole lot, because my Vanquisher tank does most of the vehicle killing, and armor 12 isn't enough to keep this alive long against most heavy weapons for the price of these guys.