Broadtree-backed Sayres Defense, a defense mission support services provider, completed the acquisition of Global Systems Technologies, a provider of test and evaluation services, model-based systems engineering, logistics, research and development. Financial terms were not disclosed. "We're extremely excited to add GST to our GovCon platform – GST has a unique culture of customer and mission-focused performance and remarkably talented people supporting critical national security programs across the national security customer community. GST and JRAD will enable our customers to have greater access to mission critical engineering domains to serve their most critical missions," Tim Reardon, Sayres Defense CEO.