21.   Some lawmakers have suggested canceling the trip, especially if the damaged U.S. plane has not been returned.

22.   The badly damaged U.S. plane made an emergency landing at Lingshui, on the southern Chinese island of Hainan, after the collision over the South China Sea.

23.   The badly damaged U.S. plane made an emergency landing at a military airport near the town of Lingshui on the southern Chinese island of Hainan.

24.   The badly damaged U.S. plane is at a Chinese air base on Hainan island in the South China Sea, where it made an emergency landing.

25.   The crew had to leave the damaged plane in China, which has refused to release the aircraft.

26.   The damaged plane remains in China.

27.   The other damaged plane landed safely.

28.   The pilot, who was not injured, managed to land the damaged plane in Lokichokio in northwestern Kenya, he said.

29.   The pilot, who was not injured, managed to land the damaged plane back in Lokichokio.

30.   U.S. military officials say the Chinese undoubtedly boarded the damaged plane and examined its sophisticated spying equipment.