U.S. Marines with Recapture Tactics Team, Marine Corps Security Force Regiment, and British Royal Marines with 43 Commando Fleet Protection Group Royal Marines conduct room-clearing procedure during exercise Tartan Eagle at Naval Support Activity Northwest Annex, Chesapeake, Virginia, Sept. 20, 2021. On training day six of the exercise, servicemembers refined close-quarters battle technique using special effect small arms marking system rounds. Exercise Tartan Eagle is a bilateral biyearly training exercise for the U.S. military and British Royal Marines to train close-quarters battle strategy and tactics. (U.S. Marine Corps video by Lance Cpl. Jack Chen)

U.S. Marines and Sailors participate in Navy Marine Corps 250 in Philadelphia, Oct. 9 - 15, 2025. NMC 250 honors 250 years of Navy and Marine Corps legacy, tradition, and service by giving Philadelphia residents and visitors the opportunity to connect with Marines and Sailors, learn about the Corps’ values of honor, courage, and commitment, and experience community engagement events, static displays and performances from across both services. (U.S. Marine Corps video by Lance Cpl. Judith Ann Lazaro)

U.S. Marines and Sailors from across the services participate in a parade during Navy Marine Corps 250 in Philadelphia, Pennsylvania, Oct. 13, 2025. NMC 250 honors 250 years of Navy and Marine Corps legacy, tradition, and service by giving Philadelphia residents and visitors the opportunity to connect with Marines and Sailors, learn about the Corps’ values of honor, courage, and commitment, and experience community engagement events, static displays and performances. (U.S. Marine Corps video by Lance Cpl. Judith Ann Lazaro)

Philadelphia residents gather to view U.S. Navy ships during Navy-Marine Week Philadelphia 250 in Philadelphia, Pennsylvania, Oct. 9, 2025. The event honors 250 years of Marine Corps legacy, tradition and service by giving Philadelphia residents and visitors the opportunity to connect with Marines and Sailors, learn about the Corps values of honor, courage, commitment and experience community engagement events, static displays and performances from the Special Purpose Marine Air-Ground Task Force 250. (U.S. Marine Corps video by Lance Cpl. Judith Ann Lazaro)

U.S. Navy Lt. j.g. Anthony Reddick, a physician assistant with Headquarters Battalion, 2nd Marine Division, conducts an interview after participating in a Tier IV Tactical Combat Casualty Care course hosted by 2nd Marine Logistics Group at Marine Corps Base Camp Lejeune, North Carolina, Oct. 9, 2025. 2nd MLG became the first-ever Marine Corps command to host a Tier IV TCCC course and is now hosting its second iteration. The course trains select military service members to become proficient combat paramedics capable of providing advanced casualty care at the point of injury on the battlefield and in austere environments. (U.S. Marine Corps video by Lance Cpl. Javier Santillan, Lance Cpl. Brady Hathaway, and Lance Cpl. Talan Werner)