China’s costliest film ever is a sporadically thrilling, historically dubious account of a Korean war standoff, with all the subtlety of a rocket launcher

China’s most expensive film to date and its second highest ever box-office grosser, The Battle at Lake Changjin possesses worryingly belligerent overtones. An account of a pivotal battle in November 1950 during the Korean war in which Chinese forces, who had infiltrated the country, pushed US marines back over the 38th parallel, this government-ordained project wastes no opportunity – current geopolitical tensions notwithstanding – to assert the moral superiority of the Chinese soldier. Not only is he unfazed by superior opposition numbers and equipment or impossibly harsh climate conditions, even the enemy catering doesn’t get him down. We see Uncle Sam chowing down on a bounty of turkey legs and bacon while the People’s Volunteer Army break their teeth on stony potatoes.

The film also applies its collectivist we-all-suffer-together message,...