B-21 Raider stealth bomber’s first flight delayed a few months later than anticipated: Air Force

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The Air Force revealed last week that the debut flight of the B-21 Raider stealth bomber is delayed several months.  

Speaking at the McAleese & Associates conference in Washington, Air Force secretary Frank Kendall said the B-21’s first flight "slipped from the original schedule" but is still within the baseline schedule and cost.