With just weeks left until the July 21 release date, Warner Bros. has released a 15-second TV spot forDunkirk, and while it doesn’t feature a ton of footage, we do get a glimpse at an epic dogfight. This aerial battle features Tom Hardy, while we also get a glimpse atCillian Murphy’s character. We don’t see much of the aftermath from this dogfight, but we have seen in previous trailers that Cillian Murphy gets a ride back to Dunkirk by Mark Rylance’s character.

This TV spot debuted onWarner Bros. YouTube, and it may be the first of several that will surface between now and July 21. This video also reveals that advanced tickets will go on sale July 5 for this newChristohper Nolanfilm. While this is certainly shaping up to be one of the most anticipated movies of the entire summer movie season, the film has faced a bit of mild controversy, with some fans upset that it was crafted for a PG-13 rating, and not an R-rating like most war films.

Christopher Nolan defended theDunkirk PG-13 rating, revealing that is the most comfortable rating that he can work under. He also clarified that his movie isn’t really a war film, but instead a “survival film” and a suspense film, adding that there is a high level of intensity to the film that doesn’t necessarily focus on the bloodier aspects of warfare. Of course, a PG-13 rating also means that it will be accessible to the widest audience possible, which the studio most certainly enjoys, and PG-13 is certainly the most desired rating, even though there have been plenty of R-rated blockbusters as of late.

Back in February, Christopher Nolan teased the “simple yet complex"Dunkirk plot structure, revealing that the story is told from three perspectives, soldiers in the air, on land and in the sea. The “air” portions are believed to center onTom Hardy’s character, while youngHarry Styles' characterwill be on the beach and Cillian Murphy and Mark Rylance’s characters will be the naval characters. The director went on to add how important this battle truly was in the grand scheme of the entire war. This evacuation atDunkirkallowed the Allied forced to regroup and turn the tide in this conflict.

The supporting cast forDunkirkincludes James D’arcy, Aneurin Barnard, Jack Lowden, Bobby Lockwood and Miranda Nolan. This highly-anticipated film will go up against Universal’sGirl Tripand EuropaCorp’s sci-fi thrillerValerian and the City of a Thousand Planetswhen it hits theaters nationwide on July 21. Since Warner Bros. has already released a final trailer, it remains to be seen how much more footage fromDunkirkwill be released between now and July 21. While we wait for more footage and details, take a look at this epic TV spot below.