51.  A military aircraft belonging to the international peacekeeping force in Tajikistan crashed Saturday during a training flight, killing its two pilots, military officials said.

52.  A U.S. navy helicopter with a crew of three crashed into the Mediterranean Sea on Tuesday morning while on a routine training flight, military officials said.

53.  A U.S. navy helicopter with a crew of three crashed into the Mediterranean Sea Tuesday morning while on a routine training flight, the Pentagon said.

54.  A Singapore Airlines jet on a training flight in southern Thailand has gone missing with two pilots aboard, newspapers reported Tuesday.

55.  A single-seat Navy fighter jet crashed off the coast Saturday night during a routine training flight, authorities said.

56.  A passenger airliner crashed while on a routine training flight Thursday in western Azerbaijan, killing six people, officials said.

57.  A Turkish air force jet crashed during a training flight Thursday in western Turkey, killing both pilots, the Anatolia news agency reported.

58.  A Romanian jet fighter crashed Wednesday morning in Western Romania during a training flight, the ministry of defense reported.

59.  A Royal Air Force Tornado fighter on a training flight crashed into the North Sea Friday, the RAF said.

60.  A small plane crashed into a mountainside Wednesday, killing a German air force pilot and an instructor during a training flight, the Department of Public Safety said.