Sandler, Shmuel. “The Impact of a Transformed US Global Stance on Israel’s National Security Strategy.” In US Foreign Policy and Global Standing in the 21st Century: Realities and Perceptions (ed. Efraim Inbar and Jonathan Rynhold; Abingdon and New York: Routledge, 2016): 267-83.
A reduced US presence in the Middle East would lead to regional instability and upset the balance of power between Israel and its neighbors. Accordingly, Jerusalem may have to reconsider its national security doctrine. Each pillar of Israel’s national security strategy would be affected.
Finally, without a committed United states to prevent a nuclear Iran, Israel may feel more compelled and less restrained than ever to strike, in order to prevent the nightmare of a potential Iranian “breakout,” and/or the emergence of several threshold Middle Eastern nuclear states.