R 231939Z JAN 26 MARADMIN 027/26 MSGID/MARADMIN/CMC CD WASHINGTON DC// SUBJ/CALL FOR PARTICIPATION IN MODERN DAY MARINE 2026// POC/N.C. MANNWEILER/LTCOL/COMMUNICATION DIRECTORATE/EMAIL: [email protected]// GENTEXT/REMARKS/1. PURPOSE. This MARADMIN establishes the coordinating instructions for attendance at Modern Day Marine (MDM) 2026. MDM will be held from 28 April – 30 April 2026 at the Walter E. Washington Convention Center in Washington, D.C. 2. MDM is considered a non-Department of War event and is not hosted by the Marine Corps. Planning for this event is conducted by a full-time staff comprised of personnel from the Marine Corps League, Marine Corps Association, and event staff, with Service inputs. 3. Background. MDM 2026 is the premier Marine Corps exposition and symposium, hosting more than 400 industry displays, and featuring senior leader and subject matter expert talks across four stages. The event provides a collaborative forum, fostering interaction with Marines, experts, and industry professionals to explore and advance the most effective solutions for accelerating innovation within the Marine Corps. Additionally, the event will showcase future concepts and capabilities in professional military education including a wargaming convention and panel presentations addressing future operational challenges, trend lines, and potential solutions. MDM will also host a transition education and employment fair, and a military spouse summit. 4. Marines and civilian employees located in the National Capital Region are highly encouraged to support and attend MDM. This year’s event is especially significant as this coming year marks the nation’s 250th Birthday. MDM is a prime opportunity for public engagement showcasing the Marine Corps’ contributions to national security by honoring our heritage and legacy, educating and informing stakeholders on our operations and investments, and reinforcing our esprit-de-corps and pride among Marines. 4.a. This event is a first-rate professional military education opportunity for leaders, units, and individuals. Marines are encouraged to plan their MDM experience to be part of their professional development. This event may serve as an appointed place of duty if authorized by unit leadership. 4.b. Reservists may attend for drill points, pending unit approval. 4.c. Civilian employees should seek guidance on attending from their respective supervisors. Employees who attend should be in an appropriate pay/leave status. 4.d. Contractors should consult their respective employers for permission to attend. Time spent attending MDM should not be billed to the Government, unless authorized by a contracting officer. 4.e. If units have specific questions regarding attendance, contact your SJA or Counsel’s office. 5. Coordinating Instructions 5.a. Registration is required to attend, and attendance is free for all service members and civilian employees. Contract employees may attend cost-free if they are assigned to manage a military command’s booth on the showroom floor. Registration is already open online and is available during the show and on-site in person. Register at https:(slash)(slash) marinemilitaryexpos.com. 5.b. Transportation. Parking near and around the convention center is limited. Attendees are encouraged to use shuttle services provided by MDM from Quantico to the convention center, shuttle services provided by Henderson Hall from the Pentagon to the convention center, or mass transportation. Government transportation is authorized. Units may request a bus free of charge to the unit by submitting a unit bus request. For bus schedules, unit bus requests, or more information visit https:(slash)(slash)marinemilitaryexpos.com(slash)travel-information for more details. 5.c. Uniform. The uniform of the day for MDM is Service “C” for Marines and business casual for government employees. Uniform for speakers will be Service “A” and business professional for government employees. 6. A detailed schedule of speakers, educational opportunities, and additional coordinating instructions are available on the event website at https:(slash)(slash)marinemilitaryexpos.com. 7. Release authorized by Colonel John O. Caldwell, Director of Communication Directorate, Headquarters Marine Corps.//