[DaiHuy]

Who is Marcus Lutrell?

[Ratman83]

Former Navy Seal was the sole survivor of a mission in Afghanistan. He wrote a book about it.

[Altariel]

To answer your question:

Marcus Luttrell (born November 7, 1975) is a former Petty Officer First Class[4] and United States Navy SEAL. He received the Navy Cross for his actions in 2005 facing Taliban fighters during Operation Red Wings.

http://en.wikipedia.org/wiki/Marcus_Luttrell