As the B-52 Stratofortress approaches from below, the adornments of its cockpit reflect the importance of the day. Next to a Benny the Bull stuffed animal — the Chicago Bulls mascot — lies a Star-Spangled Banner, covering the dashboard from one side to the other. It’s Memorial Day in the United States, one of the country’s most important holidays, but for these airmen, there’s little time for celebration or remembrance.