No U.S. Soldier "in country" would have been in possession of U.S. currency; only "scrip" (a form of pseudo money) was used. Scrip could be exchanged for U.S. money only upon leaving the country. Possession of U.S. currency was an offense subject to court martial.

The Sapphires are shown performing for the 19th Infantry Division. However, the 19th Infantry Division was deactivated in 1944 and never served in Vietnam.

The U.S. Army gives them a 1940s Citroën with the driver seat on the right side, which could be found in Australia but not in Vietnam. France's colonial Indochina, actual Vietnam, and the U.S. drive on the right and have the driver seat on the left.

The girls are told on two occasions that they'll be performing for U.S. Marines, but they are only shown performing for the U.S. Army.

When the group first arrived in Vietnam, the M151 they were riding in had raised white letters on the tires. Military vehicles have never had raised white letters on their tires.

After the talent show, the actress playing Noelene gets up and heads for the stage to accept her prize before her name was even announced.

The opening scene shows a girl running through a field of canola in 1958. The first canola in Australia was planted in 1968, but it was not grown commercially until the 1990s.

Throughout the movie, the girls are seen performing on Shure SM58 Microphones which were released in 1966. This is chronologically correct as the movie is set in 1968. However, when they are performing to the 19th Infantry Division in Nha Trang, the microphones being used are Shure Beta 58 Mics, which weren't released until 1989.

The "blackened catfish" is both an anachronism and a factual error. "Blackening" is not a traditional Cajun cooking technique; it was invented by Chef Paul Prudhomme in the late 1970s and popularized by him in the 1980s.

The movie is set in 1968, but The Sapphires sing The Staple Singers' "I'll Take You There" (released in 1972) and Merle Haggard's "Today I Started Loving You Again" (released in 1970). It also features "Run Through the Jungle" (released in 1970) in the opening scene.

Although the film is set in 1968, Dave plays a Fender Rhodes Stage electric piano; this particular model wasn't made until 1970.