All Submarine Briefings as of August 2020 (Patreon)

China's Shang Type093 https://www.patreon.com/posts/chinas-type-093-38616893
China's HAN Type 091 https://www.patreon.com/posts/project-091-han-38436746
China's Yuan Type 039A https://www.patreon.com/posts/chinese-type-sub-37926230
Scorpene SSK https://www.patreon.com/posts/scorpene-ssk-s-36755138
Typhoon https://www.patreon.com/posts/repost-project-36371567
Borei SSBN https://www.patreon.com/posts/project-955-ssbn-36283687
Yasen SSGN https://www.patreon.com/posts/yasen-ssgn-sub-35918794
Echo II SSGN https://www.patreon.com/posts/project-675-echo-35489224
Echo I SSGN https://www.patreon.com/posts/echo-i-ssgn-sub-34971469
Nautilus SSN https://www.patreon.com/posts/uss-nautilus-ssn-33644585
Mike SSN https://www.patreon.com/posts/mike-ssn-sub-34589259
Collins SSK https://www.patreon.com/posts/australian-class-29195618
Trafalgar SSN https://www.patreon.com/posts/trafalgar-class-29310550
Oscar SSGN https://www.patreon.com/posts/oscar-class-ssgn-29572201
Gotland SSK https://www.patreon.com/posts/gotland-class-29788932
Victor I SSN https://www.patreon.com/posts/project-671-i-30315285
Victor II SSN https://www.patreon.com/posts/victor-ii-671rt-30728856
Victor III SSN https://www.patreon.com/posts/victor-iii-sub-38931611
November SSN https://www.patreon.com/posts/sub-brief-ssn-31484977
Akula SSN https://www.patreon.com/posts/project-971-sub-31994080
Soryu SSK https://www.patreon.com/posts/soryu-ssk-sub-32420089
Alpha SSN https://www.patreon.com/posts/32779509
Type 212A SSK https://www.patreon.com/posts/type-212a-sub-33146427
Kilo II SSK https://www.patreon.com/posts/project-06363-ii-33337874
Papa SSGN https://www.patreon.com/posts/papa-ssgn-sub-34191685

Yankee SSBN Part 1: https://www.patreon.com/posts/39453916

Yankee SSBN Part 2: https://www.patreon.com/posts/39460476

 Yankee SSBN  Part 3: https://www.patreon.com/posts/39480358

 Yankee SSBN  Part 4: https://www.patreon.com/posts/39480432

 Yankee SSBN  Part 5: https://www.patreon.com/posts/39469897

 Yankee SSBN  Part 6: https://www.patreon.com/posts/39471248

Oberon SSK Part 1:  https://www.patreon.com/posts/40158249 

Oberon SSK Part 2:   https://www.patreon.com/posts/40557430