"It is with a heavy heart and profound sadness that I share the loss of five outstanding Marines," their commander said in a statement. The names of the Marines were not immediately released.
The U.S. Marine veteran was freed from Russian prison in a prisoner swap last year. Now he has sustained an injury while fighting in Ukraine, the State Department said.
Micah Coomer, Joshua Abate and Dodge Dale Hellonen were arrested on misdemeanor charges after fellow Marines helped investigators identify them in footage among the pro-Trump mob on Jan. 6, 2021.
Jacques Yves Sebastien Duroseau, 34, was found guilty of five counts related to gun smuggling charges. Court filings say he wanted to "train the Haitian police, and run for president of Haiti."