Searching for Halvor Brenden

I would like to find the immegration and ship records on my g-grandfather Halvor Brenden. From information I have, he immegrated in the early 1850's. He fought with the Wisc 15th during the Civil War. Other information I hame on him is: 1. Private in Company E 15th Wisconsin Volunteer Infantry The Scandinavian Regiment Born March 21, 1834 or 1835, Storrustebrenden, Kingdom of Norway Parents were Ole Halvorson Huset (1___-18__) and ____________________ (1___-18__) Immigrated to America, early 1850's Any help I can get would be appreciated. Gene