A Span of Land (1964)

The film is about the hot war summer of 1944. A group of several gun crews defends a tiny bridgehead on the right bank of the Dniester. The fates of the main characters: the front-line soldier-battalion commander Babin, the young lieutenant Motovilov, the nurse Rita Tamashova and the rank-and-file gunners, soldiers, among whom are brave people, faint-hearted and scoundrels, unnoticed heroes, are shown in a setting of several hours of peaceful life before another violent attack of the enemy, after which not everyone will survive...

Unfortunately the movie A Span of Land is not yet available on HBO Max.