1.   Military experts suspect that the submarine was trying to land commandos when its engines failed and it got stuck.

2.   A helicopter that tried to land commandos was damaged by rebel fire but managed to return to its base Friday, officials said.

3.   Last month, helicopter-borne Israeli commandos landed behind the front line and set off bombs, killing three guerrilla commanders.

4.   Last month, helicopter-borne Israeli commandos landed behind the front-line in the south and set off bombs, killing three guerrilla commanders.

5.   Last month, helicopter-borne Israeli commandos landed behind the front-line and set off bombs, killing three guerrilla commanders.

6.   Three helicopters were damaged by rebel fire on Thursday and Friday while trying to land commandos.