Rockets' Red Glare

Rockets' Red Glare is a quest and achievement/trophy in Fallout 4.

Quick walkthrough
(Railroad Path, it's likely there's at least 1 more path) Step 0: Mentally prepare yourself for the seriously heinous crime you're about to commit. Expect lots of Power Armor and energy weapons, almost exclusively energy weapons.

Step 1: Meet Tinker Tom outside Cambridge Police Station

Step 2: Kill everyone inside the Cambridge Police Station, you cannot continue until all hostiles are dead.

Step 3: Head up to the roof and defend the Vertibird while Tom gets it running.

Step 4: Ride the Vertibird to the Prydwin.

Step 5: Plant 3 bombs on the Prydwin's gas bags. These are located at the top of the Main Deck in a corridor, look for the red panels to plant the bombs on.

Step 6: Return to your vertibird and escape.

Step 7: Watch the fireworks

Step 8: Return to Desdemona