High Ground The Railroad Quest
To get this quest, talk to PAM in the Railroad HQ.
Related points of interest
Stages of "High Ground" quest
1. Eliminate the Vertibird
Though severely crippled, the Brotherhood still poses a threat to the Railroad. PAM has spotted a surviving vertibird that needs to be destroyed.
Go go the marked location and get him down.
2. Report back to PAM
The vertibird is down making Railroad operations in the area considerably safer. Time to see PAM.
3. Quest completed
For now the skies are clear of Brotherhood vertibirds. Hopefully it stays that way.