What was the something the pilot saw, the something worth killing for?

cage-free hens

Om is pronounced a-a-o-o-u-u-m-m and is repeated slowly for as long as possible.

But Claggart's was no vulgar form of the passion. Nor, as directed toward Billy Budd, did it partake of that streak of apprehensive jealousy that marred Saul's visage perturbedly brooding on the comely young David. Claggart's envy struck deeper.