The primary mission of Deep Impact, launched in January 2005, was to visit Comet Tempel 1.
But it stressed that "the primary mission of air traffic control to separate aircraft within positive controlled airspace was unsuccessful".
The primary mission of the F.E.T. Teams was to conduct outreach with local women and children without violating cultural standards.
The primary mission of the OCC is to ensure the safety and soundness of the national banking system.
"The United States and others don't believe the organization can continue to fulfill its primary mission of eliminating chemical weapons under its current leadership," Mr. Boucher said.
Well-meaning doctors and hopeful patients may gloss over the primary mission of a clinical trial, which is not to benefit particpants but to gather information.
The primary mission of the Phoenix is to dig into an ice layer believed to exist a few inches below the surface.
"The I.N.S. with its primary mission of immigration law enforcement simply cannot ensure the legal interests of an unrepresented child," Mr. Morton said.
Mr. Card said that when he and the president discussed what to include in the new department, they examined the primary mission of the agency involved.
Since the 1960's, the primary mission of the military post here has been to listen to Russian military radio traffic on the far side of the pole.
Also at the heart of the struggle is a debate over what the primary mission of a historical society should be.
