All human orbital missions to date have been government-orchestrated.

MR-3 was followed by another suborbital mission the same year and four orbital missions the following two.

The flight marked the first American orbital mission to involve in-flight fatalities.

An orbital mission around Mars scheduled for 2001 will go ahead as planned, he said.

It would lengthen the orbital mission approximately six to eight days.

There were two kinds of missions: suborbital and orbital.

For the first time in the Apollo program, this flight would be an orbital mission.

An unmanned orbital mission could have done that nicely.

Years before this story took place, he killed a Russian cosmonaut in hand-to-hand struggle during an orbital mission.

A piece of space debris could have gouged the tiles or even pierced the skin itself at some point on the orbital mission.