He continues to impact us through his fighting spirit, courage, values and dedication” serving as a “source of inspiration” for the full spectrum of Mossad agents, said Barnea. There is some debate among historians, but at least some credit the intelligence he provided as playing a crucial role in Israel’s success during the Six Day War. However, some Syrians were already suspicious of him after an internal coup in 1963 and Syria also received new technological tools for detecting spy transmissions from the USSR.