When Freedom Calls

When Freedom Calls is a quest and achievement/trophy in Fallout 4.

Quick walkthrough

 * 1) Take the laser musket (optional)
 * 2) Enter the Museum of Freedom
 * 3) Fight the raiders and locate the trapped people
 * 4) Talk to Preston Garvey
 * 5) Find a fusion core
 * 6) Find and activate the power armor.
 * 7) Get the minigun.
 * 8) Break the raider assault.
 * 9) Eliminate the remaining hostiles in Concord
 * 10) Report back to Preston
 * 11) Join Preston in Sanctuary Hills