Interesting collection of what the East was looking for back then: (Apologies for the terrible scan quality and quote layout)
permanent Operational Assignment to discover NATO Preparations for a Nuclear Attack on the USSR Section 1 - Immediate tasks of Residencies for Collecting Information and Organising their Work Top Secret Copy No.1 Attachment 1 1. Collect data about places where Government officials and members of their families are evacuated. Identify possible routes and methods of evacuation .. Make suggestions about ways of organising a ·watch to be kept on preparation and actual evacuation~ Time limit: 3rd quarter [by 30 September 1983] . 2. Identify the location of specially equipped Civil Defence shelters or premises ·' which could if necessary be used as shelters (underground garages and depots, basements, tunnels) and arrange for a periodical check on their state of preparedness to accommodate the population at a particular time. Time limit: 3rd quarter [by 30 September 1983] Report to Centre immediately if shelters are being taken out of storage or a start is. being made on preparing certain premises for accommodation of the. population. 3. One important sign that preparations are beginning for RYAN could be increased purchases of blood from donors and the prices paid for it and extension of the network of reception centres, since the. treatment of burns (the most widespread injury in a nuclear explosion) requires blood transfusions in very considerable quantity .. In this context, discover the location of several blooddonor reception centres, and find out how they operate and the price of the blood donated, and record any changes. Time limit: 2nd quarter [by 30 June 1983] If there is an unexpectedly sharp increase in the number of stationary and mobile blood donor centres and in.the prices paid, report at once to the Centre'\ . · {9 Put forward proposals for organising a \vatch on individual civil defence .Justallations~ Time limit: 2nd quarter [by 30 June 1983] . (5.) Identify several places which are most frequently visited outside. working 1lours by employees of institutions and installations connected with taking and implementing decisions regarding RYAN, including military personneL Put fonvard your selected. .. _._._.. __ )fi,A ... the possibility of regular nnc·.t::>t•·u·~nr~n of the DUl!CeSt Time limit: 2nd [by 30 June -~f Keep under regular observation the most important nrn't;~,;::::i.'t'1"n·nt:•n •-ru:~""'1"1ln'li'u:F~· headquarters and other installations involved in preparation for RYAN. S a list of immediate of observation to the Centre. the "nn.·f*f"niiir level of activity, of these targets in and out of working hours, the o signs of their daily activity in a normal situation (differences in the number cars collected there in the daytime and the evening, and in the number lighted windows in and out of working hours, and activity round these tars:ets·~ on non-working days). Find out, on the basis of the 'normal level' asce1"T"l 1 '"At'F. any changes in the indicators during special conferences, \\~"hen there is a situation (cars collected there out of hours, an increase in the number of windows at night in comparison with the 'normal level', or increased on non ... working days)~ 7. Set a regular watch for any significant changes in the police adminis system and the activity the special [i.e. security and intelligence] servic regard to Soviet citizens and institutions:, \vhich may be associated with aration for RYAN. On points 6 and 7 intonn Centre of the existence or absence of any ........ <1,ftN'tSM• of this kind regularly - once every two \Veeks. .
https://nsarchive2.gwu.edu/NSAEBB/NS...02,%201983.pdf
https://www.wilsoncenter.org/publica...ng-nuclear-war