21.   At least a dozen ambulances blocked off Memorial Drive, and hundreds of onlookers lined the road to watch the frantic rescue effort.

22.   At that depth the pressure would complicate any rescue effort.

23.   At one point early in the rescue effort, Pataki said, incorrectly, that dozens of bodies had been recovered from the Atlantic Ocean.

24.   At that point, the wildlife sanctuary mobilizes its annual rescue effort.

25.   At the request of the United States, the governments of Israel and South Africa said that they would also participate in the rescue effort.

26.   At the Pentagon, deputy chief of operations Rear Admiral John Stufflebeem said he had received no reports of U.S. involvement in any rescue effort.

27.   At first, the Fire Department used a grid based on landmarks that shifted or vanished as the rescue effort progressed.

28.   At no time in the rescue effort did Grinkov have a heartbeat.

29.   Authorities have mobilized millions of soldiers and government officials to help in rescue efforts.

30.   At the request of the United States, the governments of Israel and South Africa said they would also participate in the rescue effort.