Camp Shelby is a military post approximately 15 miles south of Hattiesburg is a city located in Forrest County in Mississippi, a state of the United States of America. As of the 2000 census, the city had a total population of 44,779. It contains the University of Southern Mississippi. It is Mississippis fourth-largest city and is known as... Hattiesburg, Mississippi, on U.S. Highway 49. In recent decades it has been under control of the State nickname: Magnolia State Other U.S. States Capital Jackson Largest city Jackson Governor Haley Barbour Official languages English Area 125,546 km² (32nd)  - Land 121,606 km²  - Water 3,940 km² (3%) Population (2000)  - Population 2,697,243 (31st)  - Density 23.42 /km... Mississippi The United States National Guard is a significant component of the United States armed forces military reserve. The Militia Act of 1903, also known as the Dick Act, organized the various state militias into the present National Guard system. Because the National Guard remains under the authority of the states... Army National Guard. For many years it was used primarily for the annual two weeks of "Inactive Duty Training" served by active National Guard units, which is popularly referred to as "National Guard Summer Camp". Since the For other uses of the term, see Iraq war (disambiguation) The 2003 invasion of Iraq (also called the 2nd or 3rd Persian Gulf War) began on March 20, 2003, when forces belonging primarily to the United States and the United Kingdom invaded Iraq arguably without the explicit backing of the... U.S. invasion of Iraq it has been largely used as a staging and training area where National Guard units being mobilized for a tour of active service in Iraq undergo specific training and re-orientation to the active military.