The FBI Records Vault twitter account posted a link Thursday, containing 27 photos of the Pentagon on September 11, 2001.
The photos detail the initial response to the terrorist attack as well as the investigation carried out by F.B.I. officials in the aftermath.
You can view them all below.
9/11 Attacks and Investigation Images: https://t.co/zwxAkLkdw0
— FBI Records Vault (@FBIRecordsVault) March 30, 2017