Titan submersible passengers (clockwise from top left) Hamish Harding, Stockton Rush, Sulaiman Dawood and Shahzada Dawood, and Paul-Henri Nargeolet.

O Holy Spirit, who did brood
Upon the waters dark and rude,
And bid their angry tumult cease,
And give for wild confusion peace;
O hear us when we cry to Thee
For those in peril on the sea.