The lander, known as Altair, would have been launched separately on the Ares V rocket, a rocket based on both Space Shuttle and Apollo technologies.

Orion would have been launched separately and would have linked up with Altair in low earth orbit.

If multiple parallel cells are used, each cell must be launched separately (meaning slower production ramp) or with equal training resources (meaning more in total).

Two can be carried in by 1 TITAN (AVLB), but are launched and recovered separately.

This allowed the Mars DAV to be launched separately from the transit habitat, and without any crew.

After this initial joint season, Kokhav Nolad was launched separately as an independent show in 2004.

The brand new Dennis and Gnasher was launched separately from The Beano in September 2009.

The modules would be launched to lunar orbit separately, linked together and then lowered as a piece to the Moon's surface, as close as you like to the kids' dome.

On Saturday, its twin, Opportunity, which was launched separately, is set to come to a bouncing landing on the opposite side of the planet.

In the proposed mission, the two craft would be launched separately, perhaps by Russian Proton rockets, on "fast" trajectories made possible by the crafts' pared-down weight.