THE WEEK’S MOST POPULAR CURRENT R&B/HIP-HOP SONGS ACROSS ALL GENRES, RANKED BY STREAMING ACTIVITY DATA BY ONLINE MUSIC SOURCES TRACKED BY LUMINATE, RADIO AIRPLAY AUDIENCE IMPRESSIONS AS MEASURED ...

Up until the Cold War, the U.S. Air Force solely relied on its B-52 Stratofortress airframes as its primary strategic bombers. By the mid-1970s, however, engineers discovered a whole new method of ...