Dr. Michael Coble, the research section chief for the Armed Forces DNA Identification Laboratory, talks about the DNA testing of bone samples from the missing two children of the last czar of Russia. The czar and his family were executed in 1918 during a revolution. Defense Dept. photo by Fred W. Baker III Dr. Michael Coble, the research section chief for the Armed Forces DNA Identification Laboratory, talks about the DNA testing of bone samples from the missing two children of the last czar of Russia. The czar and his family were executed in 1918 during a revolution. Defense Dept. photo by Fred W. Baker III SHARE: Download: Full Size (1.21 MB) Credit: VIRIN: 258341-G-BKK10-714.jpg Photo Gallery