Two U.S. Marine Corps pilots have died after the helicopter they were flying crashed near Yuma, Arizona, according to officials.(MORE: ‘Terrible loss’: Marine shot and killed in apparent accident in Washington, DC identified as Lance Cpl. Riley Kuznia)
Both service members were killed while flying an AH-1Z Viper helicopter during a routine training mission as part of a weapons and tactics instructor course, the Marine Corps said in a statement.
The cause of the crash is currently under investigation. The identities of the pilots have not been released.
