Steelworker 2nd Class Ethan Sobalvarro, assigned to Naval Mobile Construction Battalion (NMCB) 3, uses a bull float to smooth concrete for a defense training site at Marine Corps Air Station Futnema in Okinawa, Japan.

OKINAWA, Japan (Jun. 08, 2017) Steelworker 2nd Class Ethan Sobalvarro, assigned to Naval Mobile Construction Battalion (NMCB) 3, uses a bull float to smooth concrete for a defense training site at Marine Corps Air Station Futnema in Okinawa, Japan. NMCB-3 is forward deployed to support major combat operations, humanitarian assistance and disaster relief operations. (U.S. Navy photo by Mass Communication Specialist 1st Class Michael Gomez) File# 170608-N-YG415-063