|The following is based on Creation Club content and has not been confirmed by canon sources.|
This quest begins with a radio distress signal. Track the signal to two rogue sentinel power armor units. This can be found near Drumlin Diner, south of Concord. After reading the sentinel system log, head towards the federal ration stockpile, where there will be a propane station. After defeating Dawson Wakefield, the passcode found in his inventory can be used to hack the powered down sentinel power armor.
Another rogue sentinel power armor can appear in a random encounter after Malevolent Malfunction; it drops the Liberty Prime voice option for the sentinel power armor.