They said Hubbard was provided with training, weapons and ammunition when he allegedly signed up in February 2022, the same month Moscow sent thousands of troops into Ukraine.
He was detained by Russian soldiers on April 2 of that year, the RIA state news agency quoted the prosecutor as saying last month.
Russian state media said Hubbard had pleaded guilty to the charge.
He stood up, seemingly with difficulty, to hear the judge in the Moscow City Court pronounce him guilty, removing his hat to reveal a shaved head.
He never learned Russian or Ukrainian, and had few connections to locals, she said.
Persons:
Stephen James Hubbard, convicting, Hubbard, Hubbard’s, Patricia Hubbard Fox, Fox, Robert Gilman
Organizations:
MOSCOW, Reuters, Court, RIA, Ukrainian Foreign Affairs Ministry, U.S, Fox, West
Locations:
Ukraine, Michigan, Izyum, Moscow, American, Japan, Cyprus, Ukrainian, Russian, Russia, Voronezh