A U.S. Marine gets her arm disinfected to receive her second dose of the COVID-19 vaccine at the U.S. Naval Hospital Okinawa, on Camp Foster, Mar. 2. - A U.S. Marine gets her arm disinfected to receive her second dose of the COVID-19 vaccine at the U.S. Naval Hospital Okinawa, on Camp Foster, Mar. 2.

U.S. Marines and Navy Sailors conduct external lifts for a vertical replenishment of the aircraft carrier USS Theodore Roosevelt, Naval Base Guam, Feb. 25. - U.S. Marines and Navy Sailors conduct external lifts for a vertical replenishment of the aircraft carrier USS Theodore Roosevelt, Naval Base Guam, Feb. 25.

Photo of virus. - Photo of virus.

Heavy Mobile Equipment mechanics work together with mechanics from the original equipment manufacturer, Flyer Defense, to learn every aspect of maintenance and repair of the Special Operations’ Ground Mobility Vehicle at Production Plant Barstow, Marine Depot Maintenance Command, aboard the Yermo Annex of Marine Corps Logistics Base Barstow, Calif., Feb. 24. - Heavy Mobile Equipment mechanics work together with mechanics from the original equipment manufacturer, Flyer Defense, to learn every aspect of maintenance and repair of the Special Operations’ Ground Mobility Vehicle at Production Plant Barstow, Marine Depot Maintenance Command, aboard the Yermo Annex of Marine Corps Logistics Base Barstow, Calif., Feb. 24.

A Marine checks and adjusts a thermal optic at the Marine Corps Air Ground Combat Center, Twentynine Palms, Feb. 17. - A Marine checks and adjusts a thermal optic at the Marine Corps Air Ground Combat Center, Twentynine Palms, Feb. 17.

U.S. Army Cpl. Gregory McLellan and U.S. Marine Corps Cpl. Clinton Smith, Joint Corporals Leadership Development Course students, plot grid points during the land navigation portion of Camp Lemonnier's Joint Corporal’s Leadership Development Course at Arta, Djibouti, March 3, 2016. During the evaluation ‎Soldiers, ‎Sailors, ‎Airmen, and ‎Marines had to find eight different points and navigate to those points in a timed event. (U.S. Air Force photo by Tech. Sgt. Dan DeCook) - U.S. Army Cpl. Gregory McLellan and U.S. Marine Corps Cpl. Clinton Smith, Joint Corporals Leadership Development Course students, plot grid points during the land navigation portion of Camp Lemonnier's Joint Corporal’s Leadership Development Course at Arta, Djibouti, March 3, 2016. During the evaluation ‎Soldiers, ‎Sailors, ‎Airmen, and ‎Marines had to find eight different points and navigate to those points in a timed event. (U.S. Air Force photo by Tech. Sgt. Dan DeCook)

Marine Forces Special Operations Command celebrates 15 years of commitment, diligence and professionalism as a component in support of Special Operations Command at Camp Lejeune, N.C., Feb. 22. - Marine Forces Special Operations Command celebrates 15 years of commitment, diligence and professionalism as a component in support of Special Operations Command at Camp Lejeune, N.C., Feb. 22.

Marines with Weapons Training Battalion conduct the Annual Rifle Qualification train-the-trainer course on Marine Corps Base Quantico, Va., Feb. 17, 2021. - Marines with Weapons Training Battalion conduct the Annual Rifle Qualification train-the-trainer course on Marine Corps Base Quantico, Va., Feb. 17, 2021. The ARQ is replacing the current Annual Rifle Training to increase lethality by creating a more operationally realistic training environment which will be implemented service-wide by fiscal year 2022.

U.S. Marine Corps Lt. Gen. H. Stacy Clardy, III Marine Expeditionary Force commanding general, arrives at Marine Corps Air Station Iwakuni during MEFEX 21. - U.S. Marine Corps Lt. Gen. H. Stacy Clardy, III Marine Expeditionary Force commanding general, arrives at Marine Corps Air Station Iwakuni during MEFEX 21.

U.S. Navy sailor prepares a Marine for their first dose of the Moderna COVID-19 vaccine, Gotemba, Japan, Feb. 18. - U.S. Navy sailor prepares a Marine for their first dose of the Moderna COVID-19 vaccine, Gotemba, Japan, Feb. 18.

A U.S. Navy sailor demonstrates the Squad Common Optic attached to the M27 Infantry Automatic Rifle at Marine Corps Base Quantico, Virginia, Feb. 10. - A U.S. Navy sailor demonstrates the Squad Common Optic attached to the M27 Infantry Automatic Rifle at Marine Corps Base Quantico, Virginia, Feb. 10.

A U.S. Marine reviews and provides feedback on a new Marine Corps website aboard Marine Corps Base Camp Pendleton, Calif., Jan. 15. - A U.S. Marine reviews and provides feedback on a new Marine Corps website aboard Marine Corps Base Camp Pendleton, Calif., Jan. 15.

A U.S. Marine grooms MWD Shiva, on Camp Hansen, Okinawa, Japan, Feb. 3. - A U.S. Marine grooms MWD Shiva, on Camp Hansen, Okinawa, Japan, Feb. 3.