The Department of Defense, through the Naval Surface Warfare Center Dahlgren Division (NSWCDD), is seeking proposals for the provision of Systems Modeling Language (SysML) 621 training, aimed at personnel who have completed the preceding SysML 101 and 201 courses. This advanced training is critical for enhancing expertise in SysML, which is essential for meeting tasking requirements from various sponsor organizations. The training sessions are scheduled for March 24-28 and September 15-19, 2025, with each session accommodating up to 20 participants, and the contractor will be responsible for course delivery, including all necessary materials and facilities. Interested parties must submit their proposals by March 18, 2025, with an anticipated award date by April 30, 2025; inquiries can be directed to Sharon Lathroum at sharon.lathroum@navy.mil.