The Triskelion
Location Virginia, USA
Affiliation S.H.I.E.L.D
Type Primary HQ
Status Destroyed
Season(s) 1 & 4
Appearances Captain America: The Winter Soldier (MCU)
"The Hub" (mentioned) (AoS)
"Turn, Turn, Turn" (mentioned) (AoS)(AoS)
"Self Control" (Framework)(AoS)
""What If..."" (Framework)""
"Identity and Change" (Framework)

The Triskelion is the primary headquarters for S.H.I.E.L.D. The facility houses a secret underground facility where three Hellicarriers were created and modified for Project Insight. The facility was taken over by Alexander Pierce, who wanted to use the ships to eliminate the 20 million people that were determined to be threats by HYDRA, which had infiltrated S.H.I.E.L.D with sleeper agents, such as Jasper Sitwell and John Garrett, for years.
Triskelion inside

Inside the Triskelion

Before they could be used, however, the Helicarriers were destroyed by Steve Rogers and Natasha Romanoff, causing damage to the Triskelion and bringing the existence of HYDRA and its secrets to light.

In the aftermath of S.H.I.E.L.D's disbandment, the continued use of the Triskelion is unknown.



  • In "The Hub", Simmons mentions that the Hub is dwarfed in size by the Triskelion.
  • The Triskelion was the headquarters for S.H.I.E.L.D. and the Ultimates when it first appeared in the Ultimate Marvel comics.

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