the mass of islands (ninety-one in all) that form Kwajalein atoll, surrounding the largest lagoon in the world. The lagoon itself, she told me, is a test target for missiles from U.S. Air Force bases on Hawaii and the mainland. It is also where countermissiles are tested, fired from Kwajalein at the missiles as they descend. There were nights, she said, when the whole sky was ablaze with light and noise as missiles and antimissiles streaked and collided across it, and reentry vehicles crashed into the lagoon. “Terrifying,” she said,
