One such MH - 60 helicopter crash - landed during the operation .
One such MH - 60 helicopter crash - was destroyed by the team before it departed in the other MH - 60 and a backup MH - 47 Chinook with bin Laden 's remains .
One such MH - 60 helicopter crash - landed during the operation , and was destroyed by the team before it departed in the other MH - 60 and a backup MH - 47 Chinook with bin Laden 's remains .