Arlington Capital Partners-backed BlueHalo, a provider of engineering services, agreed to acquire Design & Development Engineering Services, a designer and manufacturer of space-qualified electronic systems. Financial terms were not disclosed. “DDES’ strong customer relationships and deep technical expertise make the company an excellent addition to the BlueHalo platform. With access to BlueHalo’s infrastructure and resources, DDES will have additional scale to better meet the accelerating demand for its high reliability space systems," Henry Albers, Arlington Capital Partners Vice President.