Data Device Corporation (DDC) is a leading international COTS/MOTS supplier of military and space grade MIL-STD-1553 cards to support embedded applications, as well as systems development and test simulation. DDC’s 1553 cards are offered in a variety of form factors, including PCI, PCMCIA, PC/104, cPCI, VME/VXI, and ISAbus. Comprehensive software support is provided in the form of menus, libraries, and drivers, including high-level monitoring and simulation dataMARS and dataSIMS software for use in software development, system integration, and maintenance applications.