Sasebo City archeologist Atsushi Kawachino takes notes during the turnover of three early 20th century Imperial Japanese navy coal briquettes to the city of Sasebo by Fleet Activities (FLEACT) Sasebo.

SASEBO, Japan (Apr. 25, 2018) Sasebo City archeologist Atsushi Kawachino takes notes during the turnover of three early 20th century Imperial Japanese navy coal briquettes to the city of Sasebo by Fleet Activities (FLEACT) Sasebo. The rare briquettes were fuel for naval vessels and manufactured by the Tokuyama naval fuel depot in Yamaguchi Prefecture. (U.S. Navy photo by Mass Communication Specialist 1st Class David R. Krigbaum) File# 180425-N-QY759-0067