The movie debuted at almost exactly the same time as the Polish production 303 Squadron, often leading to confusion between two films, especially in Poland.
The pilots of No. 303 Squadron RAF, part of the Free Polish Air Force, have escaped from Europe, following the Nazi invasions of Poland and France, to join the Royal Air Force. Czech Josef František, refusing to become a bomber pilot, invites himself into the newly formed unit. Canadian RAF pilot John Kent, who became affectionately known as "Kentowski", has his work cut out for him when he is handed the angry and often maligned squadron to command.[4] Piloting Hawker Hurricane fighter aircraft, 303 Squadron works through language barriers, cultural differences and their grief on the loss of loved ones to become highly effective in the Battle of Britain. At the conclusion, the Polish pilots are told that they will be repatriated to communist Poland.[5]
The script is not a historical depiction of all events. One news item provided this comment after researching the content of the film and the actual history: "the film attempted to stick close to fact, but the needs of dramatic action often swayed the plot into fictitious and occasionally unrealistic narratives".[6] In late 2017 and early 2018 some scenes were shot on the Kent coast at Stone Bay and Victoria Gardens in Broadstairs.
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OnRotten Tomatoes, the film (asMission of Honor) has an approval rating of 86% based on reviews from seven critics, with an average rating of 5.8/10.[8]
The review in The Guardian was mixed, with a 3/5 rating. Leslie Felperin made this concluding comment: "The lack of budget, relative to Dunkirk at least, is glaring in the aerial dogfights, and the score is too maudlin and on the nose, but director David Blair navigates the whole thing through the storm with watchable competence".[9]