Khalid bin Walid was one of Moumammmmed’s generals. Google it.
Taliban announce spring offensive
By Josh Smith - Stars and Stripes
Published: April 27, 2013
"The operation is named after Khalid bin Waleed, a companion of the Islamic prophet Mohamed known for his military prowess. The Taliban is known for often releasing hyperbolic statements, but spring time is traditionally when violence in Afghanistan increases as the weather warms."
http://www.stripes.com/news/middle-east/taliban-announce-spring-offensive-1.218522