Two way communication must be established prior to aircraft entering the zone.

Seeing him enter the blue zone, they all went in after him.

Futuristic: In series 1-4, the team would leave through the door which teams enter the zone.

She joined the line where the Palestinians go through a security check each morning as they enter the industrial zone.

Once we enter the zone of engagement, there will be complete radio silence under all circumstances.

Players were now allowed to enter the offensive zone before the puck.

The army and the police are sending thousands of their members to prevent the demonstrators from entering the zone.

The attack has stopped and I'm being asked over the radio to enter the zone behind the defence screen.

The troops entered the zone on Friday, the officials said.

Yet, according to the graph, I am three pounds from entering the overweight zone.