Question: Were Neil Turbin and Aaron Gillespie both members of the band Anthrax?

Context articles: The Almost
Aaron Gillespie
Threatcon Delta
Neil Turbin
Fistful of Metal
Dan Spitz
Stomp 442
Sound of White Noise
Anthrax discography
Deathriders

The Almost is an American Christian rock band from Clearwater, Florida, best known for being fronted by Underoath drummer and vocalist Aaron Gillespie.
 Formed in 2005, the band's current lineup consists of Gillespie on vocals, lead guitarist Dusty Redmon, rhythm guitarist Jay Vilardi, bassist Jon Thompson, and drummer Joe Musten.
 The band has released three albums and two EPs on Tooth & Nail Records, with 2009's "Monster Monster" peaking at No. 67 on the "Billboard" 200 and the most recent "Fear Inside Our Bones" released June 2013.
Aaron Roderick Gillespie (born July 18, 1983) is an American musician, best known for being the original drummer and clean vocalist for the metalcore band Underoath, and the lead singer and rhythm guitarist for the alternative rock band The Almost.
 Gillespie also maintains his own solo project, and released his debut full-length album, "Anthem Song" on March 8, 2011.
 From 2013 to 2016, he was the touring drummer for Paramore.
Threatcon Delta is the debut solo album by American heavy metal vocalist Neil Turbin.
 The album was released in 2003 on Metal Mayhem Records, and contains twelve original tracks and two remakes.
 25 different musicians appear on the album, including members of Dio, Rough Cutt, M.S.G. and Quiet Riot.
Neil Turbin (born December 24, 1963) is an American thrash metal vocalist known for being the first full-time vocalist for American band Anthrax and current lead vocalist and songwriter of the heavy metal band DeathRiders.
 and hard rock band Bleed The Hunger
Fistful of Metal is the debut studio album by American thrash metal band Anthrax, released in January 1984 by Megaforce Records in the US and Music for Nations internationally.
 It includes a cover of Alice Cooper's "I'm Eighteen".
 This is the band's only album to feature frontman Neil Turbin and bassist Dan Lilker, who were replaced first by second vocalist Matt Fallon then by third vocalist Joey Belladonna and Frank Bello respectively.
Daniel Alan Spitz (born January 28, 1963) is an American musician and watchmaker best known for his work as the lead guitarist, principal songwriter and co-producer of the American heavy metal band Anthrax from 1983 to 1995 and from 2005 to 2008.
 With Anthrax, Spitz was nominated for three Grammy awards and has been awarded platinum and multiple platinum RIAA certified albums for his entire Anthrax catalog of work.
 Dan Spitz is the first heavy metal songwriter to have his music playing on two planets.
 NASA chose his song alongside only 9 other artists such as Frank Sinatra and the Beatles to be played on the Lunar Rover Curiosity making him the first heavy metal artist to have a top 10 charting song on two planets.
 Spitz also founded the Christian music group Red Lamb alongside Dave Mustaine of Megadeth as his writing partner, the first to bring autism awareness into any genre of music or music video.
Stomp 442 is the seventh studio album by American thrash metal band Anthrax.
 It was released in 1995, by Elektra Records.
 The band and the Philadelphia-based producers Butcher Brothers produced the album, which includes the singles, "Fueled" and "Nothing".
 The album debuted at No. 47 on the "Billboard" 200 charts.
 Anthrax claimed that their label, Elektra Records, didn't do enough to promote the album, and they left soon after.
 "Stomp 442" is the only Anthrax album not featuring the traditional Anthrax logo on its artwork.
Sound of White Noise is the sixth studio album by American thrash metal band Anthrax, released in May 1993 on Elektra Records.
 It is the band's first album to feature vocalist John Bush, who replaced longtime Anthrax vocalist Joey Belladonna in 1992.
 It is also Anthrax's last studio album with longtime lead guitarist Dan Spitz.
 This was also the second album Bush worked with Jerden, as Jerden produced Symbol of Salvation for Bush's previous band, Armored Saint.
American thrash metal band Anthrax has released eleven studio albums, five live albums, seven compilation albums, ten video albums, six extended plays, twenty-six singles and twenty-six music videos. Anthrax was formed in 1981 by guitarist Scott Ian and bassist Danny Lilker, who picked the band's name from a biology textbook.
 After releasing its debut "Fistful of Metal" (1984) on the independent label Megaforce Records, Anthrax signed to major label Island Records.
 Singer Joey Belladonna and bassist Frank Bello joined the lineup and the band released "Spreading the Disease" the following year.
 The band's third studio album "Among the Living" (1987) was its commercial breakthrough, peaking at number 62 on the "Billboard" 200 and was certified gold by the Recording Industry Association of America (RIAA) and silver by the British Phonographic Industry (BPI).
 Its fourth album "State of Euphoria" (1988) peaked at 31 on the "Billboard" 200 and received gold certification in the US.
DeathRiders is an American heavy metal band based in Los Angeles, California.
 The band was formed in 2001 to support lead vocalist Neil Turbin's solo album "Threatcon Delta" and is named after Neil's song lyric "Deathrider" which was the first song on the album 'Fistful of Metal' which Turbin wrote in his time as the lead singer of Anthrax.