The disconcerting speeches of Hegseth and Trump to an assembly of silent, stone-faced military leaders at Quantico on September 30, 2025, revealed three intertwined visions of how armed force should be used to ensure security in our moment. All are familiar, but all three are becoming obsolete. Hardly extinct, but completely outmoded by current and future conditions. A fourth vision of what the mission could be for both our own and our adversaries’ militaries includes a radical consideration of looming climate effects upon military mission and strategy.