i have heard fjb. let s go, brandon. it is where only pilots can hear. and now it is public, too. . you have heard that from commercial pilots. . it s anonymous. you can t tell. it is 121.5, which is called guard. you are supposed to listen to it all the time. it is for mayday calls. i ve heard it. . pete, we ll see what happens here. pete muntean, thank you so much. it s called the venice of africa. a coastal town is paying a big price for the climate crisis. fred pleitgen has this incredible story next. football, is a game of inches. but it s also a game, of information. because the nfl is connected. and at any moment, the fate of the season can come down to this. billions of secure connections, per second. when the game is on the line and the game is always on the line