The original score was completed by Walford Davies in 1918 for the new RAF.
The second part of the march past, the trio, was composed by Sir George Dyson.
Authority was granted in February 1943 by His Majesty's Stationery Office to publish the "RAF March Past" piece in Canada under the title "RCAF March Past".
[2] The following are the lyrics to be sung to the Trio section of the march (composed by George Dyson).
It references the motto of the RAF, "Per Ardua Ad Astra" (Latin, "Through adversity to the stars").