Just the font name, so I can recreate it in After Effects.

Thanks!

Purista Medium  Suggérée par SashiX 
Battlefield3  Suggérée par alejost848 

looks like last BF series use this one. It was suggested before as closest match, but still unconfirmed

Same font from Battlefield 3 and this BF4 trailer.

More info.
http://www.dafont.com/es/forum/read/6787/battlefield-3-font