Socom 4 gameplay looks awesome (is it using uncharted engine??)

[SpartanFX]

I was watching the GDC presentation and socom 4 part.The game looks really polished and good for a game that is more than 7 months from release.What engine is it using?uncharted 2's engine??

http://www.youtube.com/watch?v=hTKpgSpq-8o