How do I get high killstreaks in Modern Warfare 3?

I try to stay on the perimeter of the map mostly, but sometimes I rush, but in routes that not many people go through. I switched from hardline to assassin because I always die when a UAV is up. Here is my class: MP7 silenced (proficiency=range) Mp9 silenced Semtex Portable Radar Blind Eye Assassin... show more I try to stay on the perimeter of the map mostly, but sometimes I rush, but in routes that not many people go through. I switched from hardline to assassin because I always die when a UAV is up.
Here is my class:
MP7 silenced (proficiency=range)
Mp9 silenced
Semtex
Portable Radar
Blind Eye
Assassin Pro
Sitrep
Killstreaks: Predator missile, Reaper, Pave low/AC-130
4 answers