The Rebbe speaks about the IDF, and the possuk (Devarim 23:15):

For the L‑rd, your G‑d, goes along in the midst of your camp, to rescue you and to deliver your enemies before you. [Therefore,] your camp shall be holy…

כִּי ד׳ אֱלֹקֶיךָ מִתְהַלֵּךְ בְּקֶרֶב מַחֲנֶךָ, לְהַצִּילְךָ וְלָתֵת אֹיְבֶיךָ לְפָנֶיךָ, וְהָיָה מַחֲנֶיךָ, קָדוֹשׁ