Incredible Facts About the B-2 Spirit 15. B-2’s operate on a two-man crew and the two crewman run around-the-clock missions sometimes. One crew member sleeps at a time and then they rotate. Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50