FORT BELVOIR, Virginia, Sept. 10 -- The U.S. Department of Defense's Defense Contract Audit Agency issued the following news: * * * DCAA auditors recognized for work on $450,000 case DCAA Operations Investigative Support Division (OIS) auditors recently received praise for their thorough work assisting in the investigation of Mercer (US), LLC, (Mercer). Mercer is a consulting firm that recently agreed to pay over $450,000 to resolve allegations that it overbilled the Defense Health Agency (DH  more