Fort McAllister State Historic Park will host "United States Signal Corps Program" from 10 a.m. to 4 p.m. on Saturday and Sunday, March 8 and 9. The U.S. Signal Corps will provide demonstrations on Civil War communications techniques and tools. There will also be other interpretive talks on the war, as well as black powder demonstrations. The cost is $4 for adults and $2.50 for children. For more information, call Daniel Brown at 727-2339.