Heron 1 drone taken to be repaired; cause of accident, the third in four months, does not appear to be same issue that caused November crash

Technicians swap out flight control component in all Heron 1 aircraft, after fleet grounded following crash in southern Israel last month

Heron 1 has seen several such issues, most recently in September when one fell in the sea near maritime border with Lebanon; fleet taken out of service pending investigation

Military says UAVs played key role in May's Gaza conflict, amassing over 6,000 flight hours during 11 days of fighting

Teams from the US, UK, Germany, Italy, and France to take part in the two-week drill, dubbed Blue Guardian, over central Israel

Package includes the latest version of the Heron, in fourth major deal this year for Israel Aerospace Industries drone equipment