  The possibility of using antihydrogen for igniting inertial confinement
fusion pellets or triggering large-scale thermonuclear explosions is
investigated. The number of antiproton annihilations required to start a
thermonuclear burn wave in either DT or Li_2DT is found to be about
10^{21}/k^2, where k is the compression factor of the fuel to be ignited. We
conclude that the financial and energy investments needed to produce such
amounts of antiprotons would confine applications of antimatter triggered
thermonuclear devices to the military domain.
