Former first sergeant, Alberto Andino, marches during his graduation ceremony at Officer Candidate School in Quantico, Va., March 31, 2021. Andino became the fourth first sergeant in Marine Corps history to complete the Corps’ officer candidate school and commission as an officer through the Marine Enlisted Commissioning Education Program. - Former first sergeant, Alberto Andino, marches during his graduation ceremony at Officer Candidate School in Quantico, Va., March 31, 2021. Andino became the fourth first sergeant in Marine Corps history to complete the Corps’ officer candidate school and commission as an officer through the Marine Enlisted Commissioning Education Program.

Royal Marines with 45 Commando and U.S. Marines with Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa discuss tactics and techniques for patrols during Trident Juncture 15, Oct. 21, 2015. Trident Juncture is one of many exercises ensuring that NATO is ready to deal with any emerging crisis from any direction, and that the Alliance is able to work effectively with partner nations. - Royal Marines with 45 Commando and U.S. Marines with Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa discuss tactics and techniques for patrols during Trident Juncture 15, Oct. 21, 2015. Trident Juncture is one of many exercises ensuring that NATO is ready to deal with any emerging crisis from any direction, and that the Alliance is able to work effectively with partner nations.

U.S. Marines assigned to Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa and Seneglaese Compagnie Fusilier de Marin Commandos execute a “line of stern” patrolling formation during small-boat operations training in St. Louis, Senegal, July 3, 2015. Approximately 20 Marines, sailors and coast guardsmen with the unit spent the week teaching more than 30 members of the Fusilier Marins small-boat operations and maintenance skills. - U.S. Marines assigned to Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa and Seneglaese Compagnie Fusilier de Marin Commandos execute a “line of stern” patrolling formation during small-boat operations training in St. Louis, Senegal, July 3, 2015. Approximately 20 Marines, sailors and coast guardsmen with the unit spent the week teaching more than 30 members of the Fusilier Marins small-boat operations and maintenance skills.

Marine Cpl. Trevor Thompson, right, an infantryman with Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa, observes as a member of the Seneglaese Compagnie Fusilier de Marin Commandos moves towards a simulated casualty during a basic skills competition in St. Louis, Senegal, July 2, 2015. More than 15 U.S. Marines and Sailors with the unit held a weapons and combat medical skills competition for more than 30 members of the Fusilier Marins in an effort to build and sustain infantry fundamentals. - Marine Cpl. Trevor Thompson, right, an infantryman with Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa, observes as a member of the Seneglaese Compagnie Fusilier de Marin Commandos moves towards a simulated casualty during a basic skills competition in St. Louis, Senegal, July 2, 2015. More than 15 U.S. Marines and Sailors with the unit held a weapons and combat medical skills competition for more than 30 members of the Fusilier Marins in an effort to build and sustain infantry fundamentals.

Virginia Blazer, center, the U.S. Deputy Chief of Mission to Tanzania, poses for a photo with Marines and Sailors assigned to a Security Cooperation Team with Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa, and more than 40 Tanzanian park rangers following a graduation ceremony on the Selous Game Reserve in Matambwe, Tanzania, March 27, 2015. The park rangers graduated from counter illicit-trafficking training, which was the first-ever engagement between U.S. Service members and Tanzanian park rangers. The Marines and Sailors taught the park rangers infantry skills in an attempt to help counter illicit-trafficking in the region. - Virginia Blazer, center, the U.S. Deputy Chief of Mission to Tanzania, poses for a photo with Marines and Sailors assigned to a Security Cooperation Team with Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa, and more than 40 Tanzanian park rangers following a graduation ceremony on the Selous Game Reserve in Matambwe, Tanzania, March 27, 2015. The park rangers graduated from counter illicit-trafficking training, which was the first-ever engagement between U.S. Service members and Tanzanian park rangers. The Marines and Sailors taught the park rangers infantry skills in an attempt to help counter illicit-trafficking in the region.

Friends and family members of U.S. Marines with the 26th Marine Expeditionary Unit wait for the return of their Marines from deployment at the 26th MEU command post, Camp Lejeune, N.C., Jan. 13, 2015. The Marines were deployed in support of the Special Purpose Marine Air-Ground Task Force Crisis Response Africa. - Friends and family members of U.S. Marines with the 26th Marine Expeditionary Unit wait for the return of their Marines from deployment at the 26th MEU command post, Camp Lejeune, N.C., Jan. 13, 2015. The Marines were deployed in support of the Special Purpose Marine Air-Ground Task Force Crisis Response Africa.