The U.S. Army’s primary mission is to “organize, train, and equip its forces to conduct . . . land combat.”1 However, no military Service can ignore the “interconnectedness of sea and land.”2 A majority of people on earth live on land masses near or surrounded by water.3 Further, recent incidents involving cutting undersea cables, which impact communications on land, and ground-based attacks on commercial vessels in the Red Sea highlight the domain overlap.4