You'll have to watch the killfeed to see if anyone is using something that just dropped in your care package to know if anyone is using it.
I had a vanishing problem on nuketown like a week ago when 3 of mine wouldn't settle right on the ground and just kept glitching and vanished within about 5-10 seconds. So it could be that or someone jackin em'.
No, no, the Vagrant Story is not for sale. Now Playing: Black Ops II/Tekken Tag 2/Skyrim