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This article (or section) refers to content in the Enhanced version for the PlayStation 4, Xbox One and PC release of Grand Theft Auto Online that may be absent from other versions.
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Find and steal trucks that are carrying some wrecked Strombergs.
— Brief.

Strombergs is a prep mission featured in Grand Theft Auto Online as part of the Doomsday Heist update. It is a freeroam mission needed to progress the Act II of The Doomsday Heist.


Okay, head out. The wrecked cars are on the back of repo trucks. This is for our reconnaissance on the Russian submarine just off the coast. If we wanna turn Ocelot Strombergs into assault vessels, we're gonna need Ocelot Strombergs. So bring the trucks they're being carried on into base, we'll repair the Strombergs, you know, make some adjustments and you'll be ready to go.
— Lester's briefing.
Okay, head out. Luckily, a rival Import/Export crew's done most of our work for us. They've got the wrecked cars on the back of some Wastelanders. I'll send you an image of what you're looking for.
— Lester's alternate briefing.

The crew is instructed to go to designated locations, where Lester informs of the location of Stromberg sports cars needed to reach the submarine. He tells that a rival Import/Export crew are carrying wrecked examples on the back of Flatbed/Wastelander trucks and sends an image of the target car.

There will be six Flatbeds/Wastelanders at random locations across the map, where only four will be required to complete the preparation. If the player finds the correct truck, it will be displayed as a valid target, thus able to be delivered to the facility. If not, it no longer counts as a valid target.

Once the player takes out the driver and the passenger, they need to take the truck and deliver it to the facility while dealing with oncoming enemies attempting to stop them, arriving in two cars with two occupants each. When the required trucks are delivered, the preparation is completed.

Lester's Dialogue

We have a Stromberg! Get the truck off those assholes, and bring it in.
— When approaching to a valid target truck.
That's what we're after. Repo the repo truck, and bring it in.
— When approaching to a valid target truck.
You found one! Now steal the truck and get it back to the facility.
— When approaching to a valid target truck.
That's one. Bring the whole truck in to the base.
— When approaching to a valid target truck.
No dice. Keep looking for a Stromberg.
— When approaching to an invalid target truck.
That's not what we're looking for.
— When approaching to an invalid target truck.
Strombergs are all that will work for this, I'm afraid.
— When approaching to an invalid target truck.
When delivering the trucks
Okay, we've got something to work with.
— When delivering the first truck to the Facility.
Well done, that's two of them.
— When delivering the second truck to the Facility.
Alright. Only looking for one more of these.
— When delivering the third truck to the Facility.
Okay, that's the set. We'll start working on the cars. When you've got the weapons system, we can move on the sub.
— When delivering the last truck to the Facility.


  • If the player fails to deliver all the four trucks on a single run, they can still repeat the preparation and get the remaining truck/s.