context: He also campaigned for the British government to do their part by preserving a Second World War airfield in its original condition for future generations to see, and for the history of each airfield to be recorded fully and the men and sacrifice never forgotten.
source: The book took 18 months to compile and drew upon the author's knowledge and experience working in airfields and documenting their history.
reference_original: El libro tomó 18 meses para ser compilado y aprovechó el conocimiento y experiencia del autor trabajando en aeródromos y documentando su historia.
reference_flipped: El libro tomó 18 meses para ser compilado y aprovechó el conocimiento y experiencia de la autora trabajando en aeródromos y documentando su historia.