Well, huge for a movie about the Miracle of Dunkirk. Rotten Tomatoes notes that the embargo on full reviews isn’t until July 14th (the movie comes out on the 21st), but the first reactions are coming in on Twitter, and apparently people are blown away. And, oh yeah: see it in IMAX 70mm. There’s also this reaction that intrigues me:
https://twitter.com/aliciamalone/status/884458459827245057