https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12279442
![[Untitled photo, possibly related to: In the airport control room with which incoming and outgoing airliners are in constant communication. Flight data is kept on the white slips of cardboard. A new electrical control board just completed on the opposite side of the room will replace this one Washington, D.C. municipal airport]. Sourced from the Library of Congress.](https://images.rawpixel.com/image_200/czNmcy1wcml2YXRlL3Jhd3BpeGVsX2ltYWdlcy93ZWJzaXRlX2NvbnRlbnQvbHIvbG9jMjAxNzc5NTM0Ni1pbWFnZS5qcGc.jpg)
[Untitled photo, possibly related to: In the airport control room with which incoming and outgoing airliners are in constant communication. Flight data is kept on the white slips of cardboard. A new electrical control board just completed on the opposite side of the room will replace this one Washington, D.C. municipal airport]. Sourced from the Library of Congress.
[Untitled photo, possibly related to: In the airport control room with which incoming and outgoing airliners are in constant communication. Flight data is kept on the white slips of cardboard. A new electrical control board just completed on the opposite side of the room will replace this one Washington, D.C. municipal airport]. Sourced from the Library of Congress.
View public domain image source here
Public DomainFree CCO U.S. Government image for Personal and Business use