 At the same time as being granted its new title, The Rocket Brigade was ordered to be augmented and to proceed on active service, with orders to join the Army of the North commanded by Bernadotte, the Crown Prince of Sweden.Using the modified 12-pounder at low trajectory from ground firing-troughs, the brigade was successful at the Battle of Gohrde and spectacularly so at the Battle of Leipzig on 18 October 1813.In the continuing campaign, the Rocket Brigade was also employed in the sieges of Frederiksfort and Glückstadt, which surrendered on 13 December 1813 and 5 January 1814, respectively.