Ad Infinitum Their Names & No one left behind Achievement/Trophy (Collect All dog tags & Bracelets)
In total there are 56 collectibles, after the two recent patches all collectibles are now accessible and can be collected.
Chapter 1: 00:00 - 03:20
Chapter 2: 03:26 - 07:33
Chapter 3: 07:40 - 12:30