Has any military attempted to utilize pelicans?

Because if they went much lower they'd fall into the water. Actually, I would guess they are taking advantage of "ground effect" lift which is a function of air being compressed between the surface and the moving wing above it. There are vehicles called ekranoplans that exploit this phenomenon. read more

There is an extensive history of military use of various flying animals -- not just birds: after homing pigeons, the Bat bomb is perhaps the most famous example. But there is scant evidence of programs involving pelicans. read more

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