Greenskins

(location): Greenskins is a Minutemen radiant quest in Fallout 4. This quest can be started randomly when speaking to Preston Garvey or listening to Radio Freedom. If a settlement hasn't been unlocked yet, this quest may be started by speaking to a settler at that location and it will unlock the settlement.

Quick walkthrough

 * 1) Speak to point of contact at settlement.
 * 2) Clear the super mutants at random location.
 * 3) Return to point of contact at settlement.
 * 4) If quest started with Preston or Radio Freedom, return to Preston Garvey.