#Mosul Heavy use of quadcopters for recon inside bldgs, see around corners. Engineers have welding kits ready to inseal doors.— אברהם יהושע כהן, אריה יהוד Avi Barbour (@AviBarbour) May 22, 2017
#Mosul Heavy use of quadcopters for recon inside bldgs, see around corners. Engineers have welding kits ready to inseal doors.