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Sarge has been hoarding stuff for himself, and whatever it is, it must be big. So big he couldn't say what.Gunner Jack's note

Burned on the River is a side quest in the Fallout 4 Creation Club content "Solar Cannon."


On the trail of valuable prototype pre-War weaponry, investigate a Gunner named Sarge who has been amassing a stash of loot, apparently including one such weapon.

Quick walkthrough

Detailed walkthrough

Find three notes, one on a Gunner at the South Boston military checkpoint and the others in two safes near Big John's Salvage. Use Sarge's clue #3 ("lining up the cards") to unlock the final safe.

First clue

The note "Sarge's clue #1" can be found on the body of a Gunner named Jack, located in a trailer at the military checkpoint. Follow the note's instructions and go to the nearby Red Rocket filling station north of Big John's Salvage. In the garage, a locked wall safe can be found, wired to a bell on the checkout counter, with the body of Queen nearby. From the instructions given by Sarge's clue, the wall safe will open if the bell is pressed the same number of times as the amount of leaves on Queen's facial tattoo; in other words, four times. Alternatively, the safe can be unlocked by 'hot wiring' it with Hacker rank 1 or an Intelligence of 5 or greater.

Second clue

The safe in the Red Rocket contains a note titled "Sarge's clue #2", which then leads to a small blue-painted house to the east of the Red Rocket, with the body of Ace in front. A floor safe will be found in the red dog house behind the house itself, requiring a three-digit code to unlock. Sarge's clue points to "the rockets pinned in the alley, then the craters holed in the moon, and then finally, the stars underneath." This refers to the billboard for Back Alley Bowling on the roadside, namely the number of bowling pins, holes in the bowling ball, and stars to either side of the word "Bowling". The code is 5-3-6.

Third clue

The second safe contains Sarge's third and final clue, "Sarge's clue #3", pointing to Sarge's stash safe, located in a bus inside the underpass just south of D.B. Technical High School. Deuce is inside and will attack. The safe requires a four-digit code to unlock; Sarge's clue hints that "It's as simple as lining up the cards." The code is 1-2-11-12, corresponding to the playing card values associated with the names of Sarge's Gunner crew, in the order he listed their names in his third note. Alternatively, the code can be bypassed with Locksmith rank 4.

Once the safe is unlocked the quest will immediately complete. Inside the safe is a legendary solar cannon with the "Exterminator's" legendary effect, as well as Sarge's note and some other loot.

Quest stages

Quest stages
StageStatusDescriptionLog Entry
1 Search the South Boston military checkpointBefore the war, I read about several experimental weapons purchased by the government. I should try visiting the military outpost in South Boston to see what I can find.
9 Read Sarge's clueI found a dead Gunner in the back of a trailer. The note on his body might explain what happened to him.
10 Investigate the Red RocketAccording to the note on the dead Gunner, their commanding officer is hiding a piece of valuable loot, and the other three members in the crew are off looking for it.
11 Read Sarge's second clueThe second clue tells me to look for a house that's painted red. It also details how to open a safe once I locate the house.
20 Search the area for the house painted red
25 Use Sarge's clue to open the doghouse safe
26 Read Sarge's third clueSarge's third clue says he hid a valuable piece of loot in a bus below the freeway overpass, to the north of the outpost. It looks like this is where the trail ends.
30 Find and unlock Sarge's safeI opened the safe inside the red doghouse. I'll need to read Sarge's next clue to figure out where the trail ends.
100Quest finishedI opened the safe and found a powerful weapon inside. It turns out that Sarge intended for the loot to be a gift for his squad. However, the other members killed him and each other before he got the chance to surprise them.


  • The tattoo on Queen is available to the player after finding issue #1 of "Taboo Tattoos" inside the Mass Pike Tunnel.
  • Sarge mentions he found some 'dirty magazines' to add to his loot in his last clue; a burnt magazine can be found inside of the safe.