Question:  Radio Iodine and Rocket from the Crypt are both what?

Context paragraphs:
Rocket from the Crypt: "This page is about the San Diego punk rock band Rocket from the Crypt.  For the Cleveland protopunk band, see Rocket from the Tombs. "

RD-214: The RD-214 (GRAU Index 8D59) was a liquid rocket engine, burning AK-27I (a mixture of 73% nitric acid and 27% NO + iodine passivant and TM-185 (a kerosene and gasoline mix) in the gas generator cycle.  As was the case with many V-2 influenced engines, the single turbine was driven by steam generated by catalytic decomposition of HO.  It also had four combustion chambers and vector control was achieved by refractory vanes protruding into the nozzle's exhaust.

Radio Iodine: Radio Iodine was an alternative rock band from St. Louis, Missouri.  It was formed in 1993 as 9 Days Wonder by Tony Persyn and his wife, Ellen.  After another band threatened to sue over the name, the band changed its name to Radio Iodine.  It signed to Radioactive Records, which released a self-titled EP in 1996.  Radioactive Records chairman Gary Kurfirst moved the band to his new subsidiary label Radiouniverse, and the band's 1997 album "Tiny Warnings" was the label's inaugural release.

John Kassir: John Kassir (born October 24, 1957) is an American actor, voice actor and comedian.  He is known as the voice of the Crypt Keeper in HBO's "Tales from the Crypt" franchise.  Kassir is also known for his role as Ralph in the Off-Broadway show "Reefer Madness", as well as its film adaptation, as well as his voice over work as Buster Bunny (taking over for Charlie Adler late in the final season of "Tiny Toon Adventures"), Ray "Raymundo" Rocket on "Rocket Power", the mischievous raccoon Meeko in "Pocahontas" and its direct-to-video sequel, Jibolba in the "Tak and the Power of Juju" video game series, and the current voices of Pete Puma in "The Looney Tunes Show", and Deadpool in "" and the "" series.  He has also recently done the voice of Rizzo for the newest Spyro game, , and voiced Ghost Roaster in "", as well as Short Cut in "" and Pit Boss in "".  He is also known for his various roles in season 1 of "The Amanda Show".  He voiced the Ice King in the Adventure Time (pilot) but was replaced by Tom Kenny for the series.  He also provided additional voice over work for "Sonic the Hedgehog", "Eek!  The Cat", "The Brothers Flub", "Dead Rising", "Casper's Scare School", "Spider-Man 3", "", "Diablo III", "Monsters University", "The Prophet", "" and "The Secret Life of Pets".

On a Rope: "On a Rope" is a song by the American punk rock band Rocket from the Crypt, released as the third single from their 1995 album "Scream, Dracula, Scream! " It was released as three separate CD singles by Elemental Records, which combined to form a single set containing three versions of "On a Rope", five cover songs, and a four-song session recorded with Mark Radcliffe at the BBC that was originally broadcast May 26, 1996.  "On a Rope" was Rocket from the Crypt's highest-charting single, peaking at number 12 on the UK Singles Chart.  A music video for the song received play on MTV and MTV Europe.

Back Off Cupids (album): Back Off Cupids is a solo album by the San Diego, California musician John Reis, released in 2000 by Big Fish Records. " Back Off Cupids" was also the name given by Reis to the musical project.  Recording of the album's material took place in 1994, in between sessions with Reis' bands Drive Like Jehu and Rocket From the Crypt, and involved Rocket From the Crypt horn players Jason Crane and Paul O'Beirne.  Compared to Reis' other musical projects the music was slower, mostly instrumental, and to a certain degree free-form.  The material was shelved for several years until mixing was completed in 1999, and the album was finally released in 2000.

Back Off Cupids: Back Off Cupids was the name of a solo musical project by the San Diego, California musician John Reis.  The project took place in 1994, in between sessions with Reis' bands Drive Like Jehu and Rocket from the Crypt.  Rocket from the Crypt horn players Jason Crane and Paul O'Beirne were also involved in the project, though the vast majority of the recording was conducted by Reis.  Recording took place with friend and fellow musician Gar Wood in his garage.

RD-215: The RD-215 (GRAU Index 8D513) was a dual nozzle liquid rocket engine, burning AK-27 (a mixture of 73% nitric acid and 27% NO + iodine passivant) and UDMH.  It was used in a module of two engines (four nozzles) known as the RD-216 (GRAU Index 8D514).  The RD-215 was developed by OKB-456 for Yangel's Yuzhmash R-14 (8K65) ballistic missile.  Its variations were also used on the Kosmos-1, Kosmos-3 and Kosmos-3M launch vehicles.

Ghost Ship (album): Ghost Ship is the first album by the San Diego, California, rock and roll band Sultans, released in 2000 by Swami Records.  Both the band and the album began as "side projects" for John Reis during time off from his main band, Rocket from the Crypt.  This was also the time at which Reis formed Hot Snakes.  Reis collaborated with drummer Tony Di Prima, bringing in Rocket From the Crypt guitarist Andy Stamets while Reis himself played the bass guitar (he is normally known as a guitarist).  The band chose the name Sultans for the project and recorded an introductory EP and "Ghost Ship", both of which were released that year on Reis' newly formed Swami label.  As Reis has a tradition of using different stage names or pseudonyms in his various projects, he chose to be known as "Slasher" in the Sultans, while Stamets chose the nickname "Black Flame".

See You in Magic: See You in Magic is the debut album by the San Diego, California rock band The Night Marchers, released in 2008 by Vagrant Records and Swami Records.  The Night Marchers are the latest musical project of singer/guitarist John Reis, previously of Pitchfork, Drive Like Jehu, Rocket from the Crypt, the Hot Snakes, and the Sultans.  Reis announced the group's formation in August 2007, after all of his previous acts had broken up by January of that year.  The band also includes Beehive and the Barracudas guitarist Gar Wood, CPC Gangbangs bassist Tommy Kitsos, and former Delta 72 drummer Jason Kourkounis.  Wood and Kourkounis had previously recorded and performed with Reis in the Hot Snakes.  The band members are credited on the album using pseudonyms that they had used in their previous acts: Reis is credited as "Speedo" (his stage name in Rocket from the Crypt), Wood as "Dner" (Beehive and the Barracudas), Kitsos as "Skitsos" (CPC Gangbangs), and Kourkounis as "Jsinclair" (Hot Snakes).

Supporting paragraphs: Radio Iodine Rocket from the Crypt
Answer: rock band