I would not have been disappointed if this useless rubbish had cost me 20 Certpoints. But "200", in words: two-hundred cert points for a brick of Play-Dooh crap that lights up like a new years eve cracker. One satchel carefully placed on the back of an lightning does like 70% damage to it. A hefty blow indeed you might say now, but no. Not at all. Considered the risk that you have to take to approach a tank. And if you were lucky and not been driven over by the vehicle you'll notice that your efforts and the 200 Cert Points you just dumped into this so called "Utility Slot" was not a good decission, unless you are really optimistic and dump another 500 (!) Certs into C-4 to get a second satchel at your disposal. For another nifty 100 infantry resource points to stack up and eventually blow up a Lightningtank [which costs 250 Vehicle Ressources and no Cert Points to aquire at all] with the 2nd Charge. If you're lucky enough to place the 2nd Charge as well. I personally doubt that that this is either a handy nor acost efficient solution to blow up a lightning. Not to speak of a MBT or Sunderer. At least you could probably use them to blow up terminals, if that wasn't such a stupid idea in the first place. Without mentioning the hampered placement animation and the nimble reach I can tell you that these squandered 200 Certpoints were my most disappointing Unlock by far for now.