Have you heard of Krav Maga? I'm in search of classes near me
yes krav maga is a mility self defense and fighting system for the isdf. 
Krav Maga
krav maga is know for its focus on real world situations and its extreme efficiency
I see, do you know anything about its history?
it was derived from the street fighting experience of hungarian israeli martial artis imi lichtenfeld.
I see, so it is about conserving energy
not really but lichtenfeld was born to a slovak jewish family in pozsony in the austro hungarian empire
Wow, that's an interesting origin!
yes lichtenfeld trained at the hercules gymnasium, which was owned by his father who taught him self defesne