In 1988, defense officials authorized the concept exploration and definition phase.

Levels 5 to 9 relate to existing technologies and to missions in definition phase.

"Now," Wiz went on, "currently we are in the initial definition phase of the project."

The structures ensure that all interface errors-approximately 75 to 90 percent of all errors normally found during testing in a traditional development-are eliminated at the definition phase.

It implies that this decision was made early in the program's definition phase, in fact, it occurred almost at the very end.

The Space Station programme was plagued by conflicts during the entire 1984-87 definition phase.

The project's inception in 1985 was preceded by a definition phase lasting more than one year in which ideas were gathered, concepts were formed and project partners were selected.

In 2001, the definition phase of the programme started.

We have completed the definition phase.

In late 2003 the project moved into a definition phase.