late 1960s

  1. Dilandu

    Sukarno stays in power - what would Asutralia do?

    So let's assume that Indonesian socialist leader Sukarno was more competent in terms of economic (or at least listened to better advisor) and managed to avoid the economy crisis that led to his downfall in OTL 1966. He remained relatively popular and in power; Indonesia remained socialistic and...
  2. hesham

    Hawker Siddeley P.1201 Fighter

    Hi, The Hawker-Siddeley HS.1201 was a lightweight air superior fighter project,1967, https://www.militaryfactory.com/aircraft/detail.php?aircraft_id=2303
  3. M

    Identification of photos from Brown - frigate plan and models

    There are two photos in the ship design section of the introduction of Brown's "Rebuilding the Royal Navy": Is it possible to identify which projects they relate to? The plan on the screen is described as a frigate, and it appears as something between a frigate armed Type 42 and Type 22...
  4. L

    MiG-21 countermeasures

    Trying to find the earliest year the MiG-21 received the SPS-141 ECM pod, and ASO-2 chaff/flare dispensers. First, for the SPS-141 there is the only the vague 1970s period usually mentioned online. But is there info as to what year exactly did the SPS-141 (SM-1 or SPS-141-100?) became...
  5. uk 75

    Royal Navy frigates in the 70s

    The saga of the Royal Navy's carriers after 1966 has been the main focus of interest here, but the workhorse of the RN then as now was the frigate. By the 1970s the RN had plans to replace its Type 12 Leander class frigates with the larger all missile armed Type 22. Leanders were designed...
  6. Grey Havoc

    INVESTIGATION OF PERFORATED PLASTIC SPHERES CONCEPT FOR FUEL TANK FIRE SUPPRESSION

    https://apps.dtic.mil/sti/tr/pdf/AD0854931.pdf
  7. R

    EC-121 Proliferation?

    The USN acquired 142 Lockheed EC121s in the early 50s to mount long-range early warning barrier patrols in the Atlantic and Pacific. The main strength was 5 sqns for each ocean with various cats and dogs supporting units. The barrier patrol lasted until 1965 and afterwards the USN transferred 30...
  8. Y

    Rest of the World without the UK's 1965 cancellations

    The possibility of the UK avoiding the 1965 aircraft cancellations has been discussed ad nauseam. I don't propose to get into it here - assume a collective delusion of the UK government, the discovery of a massive gold deposit, or intervention from extra-terrestrial intelligences, as you see...
  9. bercr

    [SDASM Archives on Flickr] Lockheed AH-56A : period photographs

    San Diego Air and Space Museum archives on Flickr. https://www.flickr.com/search/?user_id=49487266%40N07&view_all=1&text=AH-56A
  10. hesham

    CRA (Composite Research Aircraft) Competition of 1960s

    For this contest, the Hughes H-485,Bell T-37 and Lockheed,but no other contenders are known. American Aviation 1966.
  11. C

    SCB.100 class CVs

    I was curious to see if there had been any drawings of this paper ship plan. Basically a anti sub/ trade lane protector ship for th usn, 20 s-3 in 2 squadrons plus 4-8 small anti snuper aircraft (presumably a-4 but no design specified) and 16 sea kings, to be biult in the 70's to replace the...
  12. R

    MARAD PD-133 "Pacer" Austere Cargo Ship

    In 1966, the Maritime Administration began design work on a general purpose cargo-liner to be built in large enough numbers to be useful in national emergencies and replace war-era vessels serving in non-subsidized trade, with the idea that they be designed for minimum cost. As specified in a...
  13. Phantom Fanatic

    Swiss Panzer 74 info

    Hello all. I have been reading up on Swiss MBT programs and concepts in the last few days and I noticed that Secret Projects does not yet have a thread dedicated to the Panzer 74 proposal. I am aware of the Tank Encyclopedia article on this matter but I thought I'd ask this forum.
  14. F.L.

    Chinese Nanchang J-12 light fighter

    How about a thread on the J-12 ? I noticed that there was none ! It is a jet that I like and I will try to collect in this thread some interesting things about it.
  15. Andrei_bt

    Т-64A and object 287, object 775 ERA, 1968 design

    The story of how in 1968 the universal dynamic protection for the Object 775 and T-64A tanks was developed and tested, surpassing all subsequent developments of the Research Institute of Steel - "Contact" and "Contact-5". This page of the history of tank building is not mentioned anywhere...
  16. Grey Havoc

    U.S. Army ATAC (Army Tank Automotive Center) Tank / AFV concepts, late 1960s

    https://fromtheswedisharchives.wordpress.com/2018/10/16/the-american-s-tank/ https://fromtheswedisharchives.wordpress.com/2018/10/23/us-tank-concepts-no-1-1-b-1968/ https://fromtheswedisharchives.wordpress.com/2018/10/28/us-tank-concepts-no-2/ (For third concept, see first link)...
  17. uk 75

    West German Bundesmarine Naval Projects

    Just bought the 1968/9 and 1969/70 Jane's Fighting Ships and found two interesting West German naval projects which were planned for the 1970s but were different from the final vessels. The first is for 16 missile equipped fast patrol boats. These would carry the Tartar missile system in...
  18. uk 75

    US Naval Gunnery in Jane's Fighting Ships 1969/70

    I have been looking for the attached picture for years and found it in the US Navy section of Jane's Fighting Ships 1969/70 . It shows the range of guns planned for US service in the 1970s. From left to right we have: 8 inch Major Calibre Lightweight Gun (MCLWG). 5 inch 54cal Mk 42 gun for DD931...
  19. uk 75

    Royal Navy Destroyers and Frigates post 1966

    The Royal Navy began the 1960s with two excellent classes of destroyer (County DLG).and frigate (Type 12 Leander) on order. In 1966 the replacement of these ships with the T42 and T22 was set in hand.. In addition the T21 gp frigate was ordered to replace other frigate classes. So not a lot of...
  20. C

    Chinese 122 series tank

    The story began in 1969 in the Sino-Soviet border conflict,Chinese captured a T-62,At that time, all their anti-tank weapons were unable to effectively destroy the T62. So Armor troops think they need a new second-generation tank,call “122”(The Type 69 "121 that was being developed at the time...
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