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special aerospace defence exercisestresses
avia., Canada The flight of one or more military aircraft on a NOPAR do not pass to air defence radar IFR flight plan FP to conduct a test of the aerospace surveillance, detection and identification capability. If identification by interception of these aircraft is also planned, it shall be contingent upon the approval of a prearranged altitude reservation prior to takeoff.
special aerospace: 1 phrase in 1 subject
Military1