Northrop Grumman has expanded its capabilities into the heavy-class of launch vehicles with its new OmegA rocket.
Nora B-52 155mm 52 cal Howitzer
The NORA B-52 self-propelled gun-howitzer was developed by the Serbian Defence Company Yugoimport to replace older artillery equipment in service with Serbian Army. First 12 NORA B-52's were delivered in 2007 and more systems of this type are ordered. More at http://www.armyrecognition.com/index.php?option=com_content&task=view&id=6253