In Israel this week tens of thousands of reserve soldiers have been called for yet another round of duty. The mounting costs and sacrifices of the war, alongside the ongoing strife related to questions of the Haredi draft exemption, present another occasion to re-read “The Ideology of Hesder” by R. Aharon Lichtenstein zt”l. R. Mayer Lichtenstein suggests the message derived from his father’s unique ability to live with complexity, and chart a course for committed halakhic and ethical living, requires adjustments in both the Hesder and Haredi worlds.