Two links that may help untangle the Aegis/UK connection (PB) and other defense contractor mysteries.
Defense Pricing and Contracting:
https://www.acq.osd.mil/dpap/pacc/cc/inspector_general_reports.html
Special Inspector General for Iraq Reconstruction (SIGIR) audit reports (cybercemetary??? but yeah, I clicked that shit):
https://cybercemetery.unt.edu/archive/sigir/20131001084734/http://www.sigir.mil/directorates/audits/auditReports.html