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Castleman was a Major in the United States Marine Corps.

Biography[]

1998[]

Castleman built a reputation as a can-do military officer who was charged with many important duties, from reconnaissance to retrieval of essential personnel. He was originally commander of the U.S. Marine unit SG-3. He was trying to track down Colonel Jack O'Neill and Captain Samantha Carter but was seriously injured after falling several meters from a ledge. (SG1: "Solitudes")

A few weeks after that, he was in charge of briefing the teams that were about to travel through the Stargate to the new Alpha Site. (SG1: "The Serpent's Lair")

Castleman 1

Some months later, he was temporarily reassigned to command SG-1 while Colonel Jack O'Neill succumbed to the download from the Ancient's Repository of knowledge. (SG1: "The Fifth Race")

1999[]

During the Goa'uld negotiations in 1999, Castleman lead the base defense force in removing all weaponry and assisted in general security of Stargate Command. (SG1: "Fair Game")

Equipment[]

This section requires expansion

Weapons[]

Other equipment[]

References[]

Links and navigation[]

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SG-1
Current members Cameron MitchellDaniel JacksonTeal'c of ChulakVala Mal Doran
Former Members Fred BuonarottiSamantha CarterCastlemanDavid DixonHagmanRobert MakepeaceMathisonJonathan J. O'NeillJonas Quinn
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SG-3
SG-3 members Airman (Lost City, Part 1)BakerAlex BakerBoscoJake BosworthCaptain (Message in a Bottle)CastlemanHansonDaniel JohnsonKent MathesonKim MathesonKinseyRobert MakepeaceMcKayMooneyMorrisonMyerPenhallPetersonPhillipsPowersRazorReeceAlbert ReynoldsSF Guard (Fallen)SG-3 LeaderSG-3 Member (Evolution, Part 1)SG-3 Member 1 (The Broca Divide)SG-3 Member 2 (The Broca Divide)SG-3 Soldier 1 (Lost City, Part 1)StevensTeal'c of ChulakWadeWaltersCarl WarrenWoeste
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SG-5
SG-5 members AltmanAndersonBakerDean BarberBarlowCastlemanDavisPatrick FergusonHarperPenhallRussellSG-5 MemberSG-5 Member (Into the Fire)SG-5 Soldier 1 (Lost City, Part 1)SG-5 Soldier 2 (Lost City, Part 1)Soong
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