Authorities Identify Dead Marine, 8 Presumed Killed

A U.S. Marine amphibious assault vehicle takes part in a landing operation during a military at the Baltic Sea near Vilnius, Lithuania, on June 4, 2018. Mindaugas Kulbis/ File/AP Photo

The Marine who died after an amphibious assault vehicle (AAV) mishap was named late Sunday as Lance Cpl. Guillermo Perez.

Authorities also identified the seven Marines and one sailor who are presumed dead.