The U.S. Dept. of Homeland Security (DHS) just awarded a contract to ATK for 450,000,000 rounds of .40 ammunition. This 1-year contract may be renewed during the following 4 years for additional amounts as necessary. The contract was handled by the Immigration and Customs Enforcement (ICE) Agency.

http://blog.alexanderhiggins.com/2012/03/16/dhs-order-450-million-rounds-40-caliber-ammunition-97771/

DHS has also placed a bid out for 175,000,000 rounds of .223 rifle ammunition, requiring a 'quick bid' response by April 12, 2012. (Final bid posting was March 21, 2012)

https://fellowshipofminds.wordpress.com/2012/03/18/why-did-the-dhs-just-order-450-million-rounds-of-40-caliber-ammunition/

https://www.fbo.gov/index?s=opportunity&mode=form&id=19ae9f4fa8037cd6a110b201ce3e360b

Seems like someone in the Federal Government is quickly preparing for a domestic war.