If you are farming them for a Challenge, then the easiest way is to roam around on your Sparrow and keep your eyes peeled for glowing objects, or simply do other activities or Challenges, and you'll naturally come across them. (eurogamer.net)
All those fine period details become merely glowing objects to click through, and the game reveals FPS to mean first - person scavenger as much as first - person shooter. (tevisthompson.com)
The video, taken from the cockpit camera, shows a glowing object traveling at high speeds while rotating and includes audio of Navy pilots struggling to process what they are seeing. (fortune.com)