On the eve of the Six-Day War, he served as a military adviser to prime minister Levi Eshkol, and following the Yom Kippur War, he was a member of the Agranat Commission that investigated the actions that led to the war.
Inför Sexdagarskriget var han militär rådgivare till Levi Eshkol och efter Yom Kippurkriget ingick han i Agranatkommissionen som utredde händelserna som ledde till kriget.