The Chain Home Early Warning Radar System: A Case Study in Defense Innovation > National Defense University Press > News Article View
![Ian Brown on Twitter: "Netherbutton Chain Home radar station became operational #OTD in 1939, 83 years ago, the first radar station in Orkney, placed to protect the Home Fleet in Scapa Flow Ian Brown on Twitter: "Netherbutton Chain Home radar station became operational #OTD in 1939, 83 years ago, the first radar station in Orkney, placed to protect the Home Fleet in Scapa Flow](https://pbs.twimg.com/media/FUOsCzDXsAMRsOG.jpg:large)
Ian Brown on Twitter: "Netherbutton Chain Home radar station became operational #OTD in 1939, 83 years ago, the first radar station in Orkney, placed to protect the Home Fleet in Scapa Flow
![Chain Home Radar Station near Dover from the air | aerial photographs of Great Britain by Jonathan C.K. Webb Chain Home Radar Station near Dover from the air | aerial photographs of Great Britain by Jonathan C.K. Webb](https://www.webbaviation.co.uk/aerial/_data/i/galleries/Kent/Dover/Swingate_transmitting_station_db50916-me.jpg)
Chain Home Radar Station near Dover from the air | aerial photographs of Great Britain by Jonathan C.K. Webb
![Chain Home Radar Station near Dover from the air | aerial photographs of Great Britain by Jonathan C.K. Webb Chain Home Radar Station near Dover from the air | aerial photographs of Great Britain by Jonathan C.K. Webb](https://www.webbaviation.co.uk/aerial/_data/i/galleries/Kent/Dover/Chain_Home_Radar_db50927-me.jpg)
Chain Home Radar Station near Dover from the air | aerial photographs of Great Britain by Jonathan C.K. Webb
![In Great Britain's darkest hour, they illuminated the skies: Chain Home radar towers. | Engineering design, Battle of britain, History 101 In Great Britain's darkest hour, they illuminated the skies: Chain Home radar towers. | Engineering design, Battle of britain, History 101](https://i.pinimg.com/736x/7b/a1/4a/7ba14a75d9a88bb5084c9dff50edd5a5.jpg)