On Oct 7, IDF veteran Eran Masas, from Haifa lied to his wife that he had been called up by the army. He put on a uniform, took his sidearm and drove 220km to the Gaza border. He then coordinated multiple search and rescue operations as survivors thought he was an on-duty IDF officer.

https://www.timesofisrael.com/on-oct-7-killing-grounds-a-vigilante-army-vet-inspires-grieving-us-jewish-leaders/