Complex sentence: Capability Maturity Model Integration (CMMI) is a process improvement training and appraisal program and service administered and marketed by Carnegie Mellon University (CMU) and required by many DoD and U.S. Government contracts, especially in software development.
Split into simpler sentences: Capability Maturity Model Integration (CMMI) is a process improvement training and appraisal program. It is required by many DoD and U.S. Government contracts, especially in software development.