Listening_for_the_Soviet_Bear_May_12_2026_2136_PDT

ST. JOHN'S MEN'S GROUP · KRKLAND Listening for the SOVET BEA The DEW Line, White Alice, and the Cold War Rob Entrekin May 13, 2026WHAT WE' VER Tonight's Story, in Three Parts I The Cold War II The DEW Line III White Alice Why the old War sent radar and telephones to the top of the world. The Distant Early Warning radar “fene” built 200 miles above the Arti irle. How threat warnings were relayed from the DEW ine radar fene to NRAD Listig f th Svit B 2 / 23THE STAKES Eight Years That hanged Everything Between 1949 and 1957, the Sviet Unin turned itself frm a wartime ally int a credible nuclear threat t Nrth America. 1949 First Soviet atomic test 1953 Soviet hydrogen bomb 1955 Tu-95 'Bear' bomber 195 Sputnik & first IBM Listig f th Svit B 4 / 23PART The Word Look Norh How a polar map became the most frightening picture in America.THE GEGRAPHY F FEAR Mercator Map of the WorldTHE GEGRAPHY F FEAR Polar Map of the World prjectin — a Sviet bmber's shrtest path t the USA ges ver the Arctic. 2, MIES — Anadyr t Seattle 6 hurs T-95 bmber's flight time 1/2 hur Advaned warning with the existing astal radar in 1952 / 23THREE NES F EFENSE Pinetree, Mid-anada, EW ines By 1957, Nrth America had three cncentric radar fences pushed steadily nrthward. THREE FENES, NE PRPSE Pinetree ine (red dts) 194, 33 sttis g i-S b. T s t SA, wig s t t. Mid-anada ine (ble dts) 197, -i, 98 pp sttis. Sti t g y wig. EW ine (blak dts) 197, 2 is t f Ati i. T f tt fiy wk. Listig f th Svit B / 23PART The DEW Lne Distant Early Warning 200 miles north of the Arctic Circle.FRM EA T PERATNA Build a Radar Fence Across the Arctic Summer 1952 MIT's Smmr Sty rp asks Hw ulneble is Nth Amei t Siet bmbes? Answer: Wide pen fm the nth. February 1954 S and anada sign th agrmnt. Wstrn Eltri — manfatring arm f th Bll Systm — gts th prim ntrat. 25,000 WRKERS 8+ tts $600 M onstrution ost ~$ 7 B i 226 dlls 3,600 MIES NG Alsk t Geeld 32 MNTHS ash pgam 45,000 cmmercial flights · 120,300 tns f carg · the largest cmmercial airlift f its time Listig f th Svit B 8 / 23N THE GRN A Typical EW ine Station RAME — proteted the AN/FPS-19 searh radar from 100mph winds and ice MODULE TRAN prefab boxes housng the operators equpment and fesupport he 'glf-bll' dme the td — the ii imge f the ld W i the Ati. THREE STATN TYPES Main — 6 stations 4–7 ps · ifi · spit Auxiliary — 23 stations 11–2 ps · s g Intermediate — 28 stations ft pp · ppy tipwi Listig f th Svit B 9 / 23