However, finding Minsei too hierarchical and not radical enough, he quit after about six-months, and joined the Zenkyōtō movement of "all-campus joint struggles."
Around this time, Okudaira fell under the sway of Nobuhiro Takemoto, a radical activist who was working as a teaching assistant at Kyoto University, and joined the "Kyoto Partisans," a loose collective of underground militant cells that had ties to the equally radical Red Army Faction (RAF) of the Japan Communist League.
[1] Shigenobu and Okudaira became enamored of relocating to the Middle East to make common cause with the Palestinian liberation movement.
At 10 p.m. on May 30, 1972, three JRA members – Okudaira, Kōzō Okamoto, and Yasuyuki Yasuda – arrived at Lod Airport in Israel aboard an Air France flight from Rome.
They began to fire indiscriminately at airport staff and visitors, which included a group of pilgrims from Puerto Rico, and tossed grenades as they changed magazines.
Okamoto was shot by security, brought to the ground by an El Al employee, and arrested as he attempted to leave the terminal.