Arkham said, “We’re not Army Medical Corps. We’re Air Force.” “Project Skywatch,” Isley said. “We’re not exactly a secret organization, but . . . well . . . let’s just say we discourage publicity.” “Skywatch?” Lisa said, brightening. “Are you talking about UFOs? Is that it? Flying saucers?” Jenny saw Isley wince at the words “flying saucers.”