Heavy-duty drones take flight to combat wildfires – Vallejo Times-Herald
기사내용보기 >> Heavy-duty drones take flight to combat wildfires Vallejo Times-Herald [드론 관련 기사 보기]
Vallejo, Calif., Police Expands Successful Drone Program – GovTech
기사내용보기 >> Vallejo, Calif., Police Expands Successful Drone Program GovTech [드론 관련 기사 보기]