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
Imi Lichtenfeld
Emrich "Imre" Lichtenfeld () (May 26, 1910 – January 9, 1998) was a Hungarian-born Israeli martial artist who founded the Krav Maga self-defense system. He was also known as Imi Sde-Or (), the Hebrew calque of his surname.
Early life.
Lichtenfeld was born on May 26, 1910, to a Hungarian Jewish family in Budapest in the Austro-Hungarian Empire. He grew up in Pressburg (Pozsony, today's Bratislava). His
Krav Maga
Krav Maga (; , "lit." "contact combat") is a military self-defence and fighting system developed for the Israel Defense Forces (IDF) and Israeli security forces derived from a combination of techniques sourced from boxing, wrestling, aikido, judo and karate, along with realistic fight training. 
Krav Maga is known for its focus on real-world situations and its extreme efficiency. It was derived from the street-fighting experience of Hungarian-Israeli martial artist Imi Lichtenfeld, who made