The US Navy is in charge of and maintains 2 weapons practice ranges in Mississippi. R-4404 is part of the Meridian Special Use Airspace and R-4401 is part of the Camp Shelby Range Complex. Both R-4404 and R-4401 are approved for inert practice bombs only. However, R-4401 has strafing targets that are approved for high angle 20/30mm gun practice.