AST SpaceMobile has made history by successfully connecting a direct voice call between the United States and Japan via its Low Earth Orbit (LEO) satellite constellation, using standard smartphones. The use of standard smartphones makes this a world first, as no one has previously achieved a direct voice connection from space to unmodified cellular devices. AST SpaceMobile partnered with some of its mobile operator partners, including AT&T, Rakuten, and Vodafone, to make the connection. The test call was made using AT&T spectrum and a Samsung Galaxy S22 smartphone in the Midland, Texas area, connecting to Rakuten in Japan. The successful test call validated AST SpaceMobile’s network architecture and systems, including its BW3 satellite, which it describes as the largest commercial communications array in low-earth orbit. The call also paves the way for space-based cellular broadband. AST SpaceMobile’s goal is to provide coverage to close to 50% of the world’s population…