The U.S. military in Okinawa has ordered a 48-hour operational pause, barring service members from leaving their bases for leisure and requiring additional training after a Marine was arrested on suspicion of murdering and robbing a woman.
Lt. Gen. Benjamin Watson, who serves as Okinawa Area Coordinator and commander of III Marine Expeditionary Force, said in a letter Tuesday that the incident “demands we pause for reflection.” He stressed that military service on the island “comes with responsibility.”
“We speak often about standards and discipline,” Watson wrote. “Standards are what we expect, and my standards are clear: be accountable for your actions; do the right thing, especially when no one is looking; and always be guided by our core values that govern our conduct at every rank.”
Watson said U.S. personnel “live, work, and socialize alongside the people of Okinawa,” adding that the island is both their workplace and home. Each interaction with local residents, he said, can either strengthen or erode the trust underpinning the alliance. “When that trust is damaged, it affects the strength of our alliance and the security of this region,” he wrote, saying the force would reassess discipline, standards and its obligations to the community.
U.S. MV-22 Osprey transport aircraft sit parked at Marine Corps Air Station Futenma in Ginowan, on Okinawa’s main island in southern Japan, Tuesday, Feb. 18, 2025. (AP Photo/Hiro Komae)
The Marine’s arrest has fueled protests over the extensive U.S. military presence on Okinawa, as well as renewed concern about crimes involving American service members.
Japanese authorities have formally protested to Washington. Foreign Minister Toshimitsu Motegi summoned U.S. Ambassador George Glass, urging cooperation with the investigation, tighter discipline among American personnel and steps to prevent similar incidents.
The killing may also complicate Prime Minister Sanae Takaichi’s efforts to expand Japan’s military role on Okinawa while deepening cooperation with U.S. forces to deter China.
The operational pause will run from Wednesday through Friday. During that time, service members will be prohibited from “off-base liberty” and from consuming alcohol. Military commanders commonly impose such restrictions after serious crimes, limiting troops’ contact with surrounding communities.
Watson said service members will undergo instruction on standards, discipline and “our responsibilities as members of the Okinawan community.”
The training will cover liberty policies, enforcement procedures, alcohol awareness, Okinawan culture and the responsibilities tied to the U.S.-Japan alliance, Watson said. “Every member of this force must understand that individual conduct has consequences,” he added.
Once the training begins Friday, troops will enter a 30-day “Period of Reflection.”
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Devin Jacob Ballard, a U.S. Marine held in connection with the alleged robbery and killing of a woman on Okinawa, is taken to the Naha prosecutors’ office in Japan, Monday, Oct. 5, 2026. (Kotaro Ueda/Kyodo News via AP)
During the 30-day period, Watson said, military personnel will face “restrictions on liberty” intended to reinforce that “liberty is a privilege and a collective responsibility.” The measures will include a curfew and closer supervision.
“Liberty is a mission, and like any other mission it requires discipline, trust and teamwork to complete it successfully,” Watson wrote. “Take care of your teammates. Hold one another accountable. Live up to the high standards that come with the uniform you wear.”
Okinawa prefectural police said they arrested Lance Cpl. Devin Jacob Ballard, 20, who is stationed at Futenma Air Station. He is suspected of strangling Anna Yagi, 39, at a hotel in Naha early Saturday and taking her wallet and backpack.
Ballard has denied the accusations.
Investigators said security footage showed a man entering the hotel with Yagi and later leaving by himself.
A person looks toward U.S. Marine Corps Air Station Futenma from Kakazutakadai Park in Ginowan, Okinawa prefecture. (PHILIP FONG/AFP via Getty Images)
Police arrested Ballard later Saturday after a patrol officer saw him walking through an entertainment district in Okinawa City, roughly 15 miles northeast of Naha. Kyodo News reported that his shaved head and arm tattoos matched the appearance of the man captured on hotel security footage.
People in Okinawa have long opposed the heavy U.S. military presence on the island, although some have acknowledged its strategic benefit due to what is seen as a growing threat from China.
Okinawa was under U.S. occupation from World War II until 1972. Now, the U.S. population on the island is nearly 80,000, with nearly 30,000 being active duty troops from all four branches of the armed forces. The Marines make up most of the service members on the island.
A rise in crime linked to U.S. military-related personnel has led to renewed protests on the island. The number of criminal cases involving U.S. military-related personnel rose from about 40 in 2020 to 101 in 2025, according to Okinawa prefectural police.
After three U.S. service members raped a 12-year-old girl in 1995, huge crowds protested the U.S. military presence on Okinawa. There was also frustration over a U.S. service member’s rape of a teenage girl in 2024 and the delayed disclosure of the case.
