Complex sentence: A plaque is displayed with "Partisan Rock" and a flag-pole flying the flag of the United States in the background, which has been a recurring motif throughout the film as each dead comrade's name has been inscribed upon it.
Split into simpler sentences: A plaque is displayed with a flag-pole flying the flag of the United States and "Partisan Rock" in the background. The latter has been a recurring motif throughout the film as each dead comrade's name has been inscribed upon it.