As part of its 2005 disengagement plan , Israel retained Preserving exclusive control over Gaza 's airspace and territorial waters , continued to patrol Patrolling and monitor the external land perimeter of the Gaza Strip , with the exception of its southernmost border ( where Egypt retained Preserving control of the border and border crossings were supervised Scrutiny by European monitors ) and continued to monitor and blockade Besieging Gaza 's coastline .

The board concluded Coming_to_believe the snow removal operations were inadequately supervised by the tower .