Amentum Wins Prime Positions on Multi-billion Pound Sellafield Decommissioning Framework Share Image credit: Sellafield Ltd CHANTILLY, Va.--(BUSINESS WIRE)--Amentum (NYSE: AMTM) has secured positions on a new multi- billion pound framework to deliver expert decommissioning solutions for the Sellafield nuclear site in the United Kingdom. "We will bring world-class, multidisciplinary, end-to-end engineering and project management capabilities to the UK's most significant nuclear legacy challenges." Share Unde ...