War film
Darryl F. Zanuck produced the 178 minute documentary drama The Longest Day (1962), based on the first day of the D-Day landings, achieving commercial success and Oscars. It was followed by large-scale but thoughtful films like Andrei Tarkovsky's Ivan's Childhood (1962), and quasi-documentary all-star epics filmed in Europe such as Battle of the Bulge (1965), Battle of Britain (1969), The Battle of Neretva (1969), Midway (1976), and A Bridge Too Far (1977). In Lawrence Suid's view, The Longest Day "served as the model for all subsequent combat spectaculars". However, its cost also made it the last of the traditional war films, while the controversy around the help given by the U.S. Army and Zanuck's "disregard for Pentagon relations" changed the way that Hollywood and the Army collaborated.
Zanuck, by then an executive at 20th Century Fox, set up an American–Japanese co-production for Richard Fleischer's Tora! Tora! Tora! (1970) to depict what "really happened on December 7, 1941" in the surprise attack on Pearl Harbor. The film, panned by Roger Ebert and The New York Times, was a major success in Japan. Its realistic-looking attack footage was reused in later films such as Midway (1976), The Final Countdown (1980), and Australia (2008). The story was revisited in Pearl Harbor (2001), described by The New York Times as a "noisy, expensive and very long new blockbuster", with the comment that "for all its epic pretensions (as if epic were a matter of running time, tumescent music and earnest voice-over pronouncements), the movie works best as a bang-and-boom action picture".
Steven Spielberg's Saving Private Ryan (1998) uses hand-held camera, sound design, staging, and increased audio-visual detail to defamiliarise viewers accustomed to conventional combat films, so as to create what film historian Stuart Bender calls "reported realism", whether or not the portrayal is genuinely more realistic. Jeanine Basinger notes that critics experienced it as "groundbreaking and anti-generic", with, in James Wolcott's words, a "desire to bury the cornball, recruiting poster legend of John Wayne: to get it right this time"; and that combat films have always been "grounded in the need to help an audience understand and accept war". Its success revived interest in World War II films. Others tried to portray the reality of the war, as in  Joseph Vilsmaier's Stalingrad (1993), which The New York Times said "goes about as far as a movie can go in depicting modern warfare as a stomach-turning form of mass slaughter".

Military–film industry relations: Many war films have been produced with the cooperation of a nation's military forces. Since the Second World War, the United States Navy has provided ships and technical guidance for films such as Top Gun. The U.S. Air Force assisted with The Big Lift, Strategic Air Command and A Gathering of Eagles, which were filmed on Air Force bases; Air Force personnel appeared in many roles. Critics have argued that the film Pearl Harbor's US-biased portrayal of events is a compensation for technical assistance received from the US armed forces, noting that the premiere was held on board a U.S. Navy carrier. In another case, the U.S. Navy objected to elements of Crimson Tide, especially mutiny on board an American naval vessel, so the film was produced without their assistance. The film historian Jonathan Rayner observes that such films "have also clearly been intended to serve vital propagandist, recruitment and public relations functions".

National traditions: 

Chinese: The first Chinese war films were newsreels like Battle of Wuhan (1911) and Battle of Shanghai (1913). Still in films such as Xu Xinfu's Battle Exploits (1925), war featured mainly as background. Only with the Second Sino–Japanese War from 1937 onwards did war film become a serious genre in China, with nationalistic films such as Shi Dongshan's Protect Our Land (1938). The Chinese Civil War, too, attracted films such as Cheng Yin's From Victory to Victory (1952). A more humanistic film set in the same period is Xie Jin's The Cradle (1979), while more recent large-scale commercial films include Lu Chuan's City of Life and Death (2009). Chinese directors have repeatedly attempted to cover the atrocities committed by the Japanese during the Nanjing Massacre (1937–1938), with films such as the political melodrama Massacre in Nanjing, Mou Tun Fei's docudrama Black Sun: The Nanking Massacre, and the "contrived Sino–Japanese romance" Don't Cry, Nanking. Zhang Yimou's epic Chinese film Flowers of War (2011), based on Geling Yan's novel, portrays the violent events through the eyes of a 13-year-old girl.

Indonesian: Many Indonesian films deal with the occupation of the archipelago by the Japanese during the Second World War. Teguh Karya's Doea Tanda Mata (Mementos, literally "Two Eye Marks", 1985) covers the limited nationalist resistance to Dutch colonial rule in the 1930s.  A third group of films such as Enam Djam di Jogja (Six Hours in Yogyakarta, 1951) and Serangan Fajar (Attack at Dawn, 1983) covers the Indonesian war of independence (1945–1949). Two other films about the same period portray the Indonesian equivalent of the Chinese Long March: Usmar Ismail's Darah dan Doa (The Long March, literally "Blood and Prayer", 1950) and Mereka Kembali (They Return, 1975). Each of these films interprets the past from the perspective of its own time.
The more recent Merdeka (Freedom) trilogy (2009–2011), starting with Merah Putih ("Red and White", the colours of the flag of the new Indonesia), revisits the campaign for independence through the lives of a diverse group of cadets who become guerillas.
Karya's November 1828 (1979) looks at Indonesia's struggle for independence through historical drama about the Java or Diponegoro War (1825–1830), though the colonial enemy was the same, the Dutch. Deanne Schultz considered it "a valuable interpretation" of Indonesian history that "embodies the best of popular Indonesian cinema". It was the first Indonesian film to become well known internationally.

Soviet: War has been the Soviet Union's cinema's major genre, becoming known indeed as the "cinema front", and its war films ranged from grim portrayals of atrocities to sentimental and even quietly subversive accounts. Leonid Lukov's popular and "beautiful" Two Warriors (1943) depicted two stereotypical Soviet soldiers, a quiet Russian and an extrovert southerner from Odessa, singing in his dugout.
The many Soviet films about the Second World War include both large-scale epics such as Yury Ozerov's Battle of Moscow (1985) and Mikhail Kalatozov's more psychological The Cranes are Flying (1957) on the cruel effects of war; it won the 1958 Palme d'Or at Cannes.

Japanese: Japanese directors have made popular films such as Submarine I-57 Will Not Surrender (1959), Battle of Okinawa (1971) and Japan's Longest Day (1967) from a Japanese perspective. These "generally fail to explain the cause of the war". In the decades immediately after the Second World War, Japanese films often focused on human tragedy rather than combat, such as The Burmese Harp (1956) and Fires on the Plain (1959). From the late 1990s, films started to take a positive view of the war and of Japanese actions. These nationalistic films, including Pride (1998), Merdeka 17805 (2001), and The Truth about Nanjing (2007), have emphasized positive traits of the Japanese military and contended that the Japanese were victims of post-war vindictiveness and viciousness. Such films have, however, been subject to protest for revisionism. The Eternal Zero (2013) narrates the tale of a Zero fighter pilot who is considered a coward by his comrades, as he returns alive from his missions. It broke the record takings for a Japanese live action film, and won the Golden Mulberry at the Udine Far East Film Festival, but was criticised for its nationalistic sympathy with kamikaze pilots.

Subgenres: 

Documentary: The wartime authorities in both Britain and America produced a wide variety of documentary films. Their purposes included military training, advice to civilians, and encouragement to maintain security. Since these films often carried messages, they grade into propaganda. Similarly, commercially produced films often combined information, support for the war effort, and a degree of propaganda. Newsreels, ostensibly simply for information, were made in both Allied and Axis countries, and were often dramatised. More recently, in the Iran–Iraq War, Morteza Avini's Ravayat-e Fath (Chronicles of Victory) television series combined front-line footage with commentary.