Document: IslipTerrace NewYork, undated, circa 1950s. Released by The Black Vault. The document appears to be a response to an inquiry about unidentified flying objects, or UFOs. The author, David H. Stubblefield, Major, HSAF Acting Chief, Civil Air Patrol Community Relations Division, Office of Information, is addressing a specific individual who has reported observing a UFO. Provenance: The document was released by The Black Vault, an online archive of declassified government records. The canonical PDF is available at https://archive.org/download/xxxx-xx-7278281-IslipTerrace-NewYork/xxxx-xx-7278281-IslipTerrace-NewYork_djvu.txt. The Document: I am in receipt of your letter of [date redacted under exemption B1] regarding your observation of a UFO on [date redacted under exemption B1]. I appreciate your cooperation in providing the details necessary for a tentative identification. In the meantime, we have attached Project Blue Book document 300 [redacted under exemption B1] which may h