The four-day, 66-orbit flight would approach but not break the five-day record set by the Soviet Vostok 5 in June 1963.

In 1942 an SM.82 performed a four-day, 26,000 km liaison flight from Rome to Tokyo and return.

The tiny semipalmated sandpiper that set a long-distance speed record with its four-day flight from Plymouth, Mass., to South America didn't survive to celebrate.

Captain Walker, 46, piloted the November 1984 flight of Discovery and commanded the space shuttle Atlantis during a four-day flight in May 1989.

The main objective of the shuttle's planned four-day flight is the placing of the Magellan spacecraft into space on a trajectory to Venus.

On the first mission Discovery is to carry a crew of five veteran shuttle astronauts who will deploy a communications satellite and conduct experiments in a four-day flight.

Yamagata had instructed Himawari's captain to spin the fusion torch vessel at one-third normal gravity once it reached Mercury after its four-day flight from Earth.

The shuttle Discovery completed a successful four-day flight on Oct. 4, the first after major modifications were made to the solid-rocket boosters.

The four-day flight of Discovery that ended Oct. 4 was the first shuttle mission since the Challenger exploded Jan. 28, 1986, killing all seven crew members.

He had picked the path with almost two hundred stars along a four-day flight, and they had set off, right after the Gamma Night released them.