Specialized training was involved in learning about riggings, how to secure the rope ties, inflation and maintenance of the balloons that included patching the outer skin when tears or leaks were detected.

Although the enemy raid was countered, Squadron 992 was rushed to the north to protect the coasts, estuaries and harbours in Scotland.

The General Post Office Film Unit (United Kingdom) was originally set up to make short informational films publicizing the work of the Post Office, but by the late 1930s, had widened their scope to include documentaries about other aspects of life in Great Britain.

[7] As one of the earliest GPO Film Unit's wartime productions, Squadron 992 was previewed for the French Minister of Information in early April 1940, before being issued as a theatrical release in Great Britain.

In a contemporary review in The Spectator by Basil Wright, he noted that the documentary was very effective and, "... there are many points which all film-goers will recognise with that special delight which real screen mastery always brings.

[10] Squadron 992 was later released in the BFI DVD compilation, If War Should Come: The GPO Film Unit Collection, Volume Three (2009).