Whistles, mirlitons, flutes, trumpets or horns, clarinets, and oboes are all played in one or more parts of the continent.

Following an Canado-American agreement, the CFS Mont-Apica changed vocation in 1958 to join to the air defence of North America (N.O.R.A.D.).

The Horsehead Nebula is a typical dark nebula, and is famous for resembling the head of a horse.

as broad and general as the casing air