Empty soda bottle (Fallout 3)

The empty soda bottle is a miscellaneous item in Fallout 3 and Fallout: New Vegas.

Fallout 3
The empty soda bottle only serves as a common form of Rock-It Launcher ammunition.

Fallout: New Vegas
You can squeeze the water out of two prickly pear fruits into an empty soda bottle to form a bottle of purified water which essentially is cactus water. In the Honest Hearts add-on, it is the required component for brewing Homebrewed Nuka-Cola. In Old World Blues, the Sink can turn this into a bottle of purified water.

Fallout 3

 * 88 in Metro Central
 * 67 in the Nuka-Cola plant, factory floor
 * 56 in the Museum station
 * 54 in the Foggy Bottom station
 * 54 in the Arlington utility
 * 51 in the Nuka-Cola truck southeast of Old Olney.

Fallout: New Vegas

 * They can be found throughout the wasteland.
 * Nine can be found in the gift shop of the Bison Steve Hotel. Another five can be found behind a locked door (hard) to the right of the entrance.
 * There are four in Goodsprings gas station where Ringo hides.
 * Fifteen can be found south of Nipton Road reststop in a broken down vehicle on the I-15 freeway road.
 * Four can be found in the Vikki and Vance Casino next to a Nuka-Cola vending machine.
 * Three can be found behind the cashiers' office in the casino.
 * There are also six in front of Gibson scrap yard to the right, by the REPCONN "O" Chair in a box near Novac.
 * Three can be found on a shelf in the scrapyard to the left of the entrance of the Gibson scrap yard garage.
 * There are four in the REPCONN headquarters' first floor, if you walk into the tour part, it's in the gift shop to the left, along with four lunchboxes.
 * There is a pyramid tower of them (11) guarded by a nightkin on top of the bridge on the way to the REPCONN test site.
 * There are 33 in No-bark's shack, which is located in Novac, although these must be stolen, with a loss of Karma.
 * Five empty soda bottles sit on a metal shelf in New Vegas Steel near the entrance.
 * There are several empty soda bottles in the guard shack as you first enter Primm, near two ammunition boxes and a bedroll.
 * Two can be found amongst the rubble of Griffin Wares sacked caravan.
 * Several can be found throughout the NCR Correctional Facility.