The Indo-Pacific region is experiencing significant geopolitical shifts, including China’s rapid expansion of its nuclear forces and increased provocations. The U.S. is committed to deterrence, though, and is supported by a long list of allies, the majority of whom have deepened their ties to Washington in recent years. However, collaboration with allies in the region can make rapid, secure communication difficult. From a technical standpoint, the region’s diverse environments, from open oceans to densely