During the filming of 'Saving Private Ryan,' the actors underwent military training to realistically portray soldiers. Tom Hanks even paid for the training himself.
For 'Dunkirk,' director Christopher Nolan used real WWII planes and boats instead of CGI for authenticity. The crew built a massive beach set for the film.
'Apocalypse Now' faced numerous challenges, including a typhoon destroying the set. Martin Sheen suffered a heart attack during filming but continued.
'Platoon' director Oliver Stone based the film on his own experiences in the Vietnam War. The intense filming conditions bonded the cast and crew.
In 'Black Hawk Down,' the actors trained with real Delta Force operators. The production faced criticism for its portrayal of the Battle of Mogadishu.
'The Hurt Locker' was filmed in Jordan, standing in for Iraq. Director Kathryn Bigelow became the first woman to win an Oscar for Best Director.