The Teleportation Cube, as named by Grif, also known as Future Cubes, is a type of grenade that was found on the UNSC Crashed Ship. They seem to have the ability to "store" items in subspace that are caught in its blast radius. Then these items can be released when another grenade is thrown, allowing them to "transport" any item easily.
Role in Plot
First appearing in Finders Keepers, many "teleportation cubes" were found by Grif while he, Sarge, and Doc were on the crashed ship. Not knowing what they do, he throws one cube at a pile of objects, which disappear before he throws another cube, which brings back the objects. Grif grows attached to them and, using the cubes' abilities, takes all of them back to Red base. After Doc pleads him to experiment them and being threatened by Sarge, Grif begins to test the grenades to understand them more.
After the Federal Army first attack in Neighborhood Watch, Grif discovers with Doc that the cubes can be set at different frequencies which will have different affect on those in their blast radius. Grif also throws one at Doc, causing Doc to go missing throughout the rest of the season. Later, Grif and Donut use the cubes to fight the Federal Army in Fire, where Donut uses a cube to destroy Lopez 2.0/C.C.
Additionally, a cube was used by Carolina in Cloak and Dagger to teleport the Blood Gulch Crew to safety.
Trivia
- The teleportation cubes are represented by Forerunner pulse grenades.
- Donut states that the teleportation cubes are similar to Poké Balls from the Pokémon franchise.