I had an ancestor(GGG Grandfather) who served in Virginia reserves. He was 50 yrs old when mustered in. They were sent to help defend Richmond. He was from Wytheville (far SW corner near Tenn). He was captured, & became a POW at Point Lookout, MD. He wasn't released until well after Lee's surrender at Appomattox. Had to be a helluva walk home from MD.