On 11 December 1944, Jõgi (former member of Erna long-range recce group, organized by Finnish Army together with Nazi Germany) was arrested by the Soviet authorities, accused of spying for UK. Months later, he was sent to a Gulag labor camp in the Komi Republic, to the west of the Ural mountains in the north-east of the East European Plain. He was exiled from the Estonian SSR for life, but was eventually released in 1970. He returned to Keila, Estonia, a year later. During his exile, he married Aili Jõgi, a fellow Estonian who had been deported in 1946 for having blown up the preceding monument to the Soviet Bronze Soldier in Tallinn.
- Suri Erna salga liige Ülo Jõgi Postimees, 15 May 2007. (in Estonian)
- Decorations of the Republic of Estonia : Awarded in 1995 - 1998
- Erna salga liige Ülo Jõgi saadeti viimsele teekonnale (in Estonian)
- Aaviksoo: oma vabaduse võlgneme inimestele nagu Ülo Jõgi (in Estonian)
- Mart Laar: Ülo Jõgi: Erna võitles Eesti eest!, 23 August 2007 Maaleht