Home Defence Scheme

Copy No. 12 SECRET

 

 

2/4 SOUTH LANCASHIRE REGIMENT

 

HOME DEFENCE SCHEME - EAST ANGLIA

 

Ref. Maps:-             O.S. 1/4 inch to 1 mile Sheet 9.

                        O.S. 1 inch to 1 mile Sheets 77, 86 and 87.

 

PART 1.

 

GENERAL STAFF INSTRUCTIONS.

 

1. OBJECT.

 

            The object of the scheme is to enable the Battalion to put into effect such measures as may be necessary to deal with enemy action against Great Britain and to assist the civil authorities in the maintenance of morale, order and essential services.

 

2. ACTION IN CASE OF ATTACK.

 

            The armed forces of a foreign power will be engaged at once should they commit a hostile act on land or in, or over British Territorial waters.

 

3. FORMS OF ENEMY ACTION.

 

            The forms of enemy action which it may be necessary to counter include :-

 

(a)   Air attack;

(b)   Naval attack on the coast;

(c)   Raiding parties of large or small dimensions from sea or air; and

(d)   Sabotage.

 

The object of such action would be to attack points of national importance or to disorganise national services or, in conjunction with widespread air attacks, to create panic.

 

4. TYPES OF SEA OR AIR ATTACKS CONTEMPLATED.

 

            The enemy may attempt to land bodies of troops by parachute, by troop carrying aircraft or by landing from the sea. The most probable objectives for such an attack in 164 Infantry Brigade Sub-Sector are Darsham and Dunwich just outside the Battalion area. (But see paragraph 12 (a) ).

 

            Landings on open beaches during winter months are unlikely, but, under favourable conditions such as normally prevail during the summer, might be feasible on that portion of the coast which lies between ALDEBURGH M97 and SOUTHWOLD M99.

 

5. SABOTAGE.

 

            Sabotage may be carried out by parties landed from the sea or air, by enemy agents or by disaffected nationals.

 

6. RESPONSIBILITY FOR PROTECTION AGAINST SEA AND AIR ATTACK.

 

(a)   Protection against air attack is the duty of the Royal Air Force and all Anti-

Aircraft troops come under command of the Royal air Force for this

purpose.

 

(b)   Protection against naval attack is the duty of the Royal Navy assisted by

the Coastal Defence Troops of the Fixed Defences, and by the Royal Air

Force.

 

7. ADDITIONAL TROOPS 164 INF BDE

 

Additional troops under command 164 Infantry Brigade for Home Defence : -

 

            136 Fd Regt

            C Coy 6 SUFFOLK

            177 Fd Amb.

 

8. RESPONSIBILITY OF 2/4 S. LAN. R.

 

2/3 S. LAN. R. will be responsible for : -

 

(a) Defence of East Coast from including SANDYMOUTH COVERT 9390 to excel RIFLE RANGE 9907 against landings of all kinds.

(b) Protection of the Bn. Area against general assault by land, air and sabotage.

(c) The general defence of R.A.F establishment within the Bn. Sub-sector.

(d) Assistance to civil authorities.

(e) Evacuation of Army Class 1/4 S.LAN.R. to SIBTON PARK, M88.

 

9. ORGANISATION OF THE BN AREA.

 

            (a) A tracing of the area is attached at Appx 'A' and shows : -

 

(i) Company area - Platoon localities.

(ii) Boundaries of Emergency Platoon areas.

 

10. SYSTEM OF DEFENCE.

 

(a) Company Commanders will be responsible for the defence of their Company Areas in accordance with the principles set forth in para. 8 above.

 

(b) Tasks in order of priority will be : -

 

            (i) Defence of the coast against a hostile landing.

            (ii) Assistance to Vulnerable Points.

            (iii)Action against enemy parachutists and saboteurs.

 

(c) In addition a Battalion concealment area in the vicinity of HENHAM HALL M99 will be recce by the I.O. and 5 guides arranged for. The Bn will concentrate here in the event of enemy action threatening another Bn front.

 

11. DEFENCE OF BN AREA.

 

(a) Coy. Comdrs and Pl Comdrs will recce the area allotted to them and be prepared immediately to occupy their positions. NOTE. SOUTHWOLD defence will be commanded by O.C. "HQ" Coy. Tps available will be estimated in conjunction with O.C Army Class.

 

(b) They will, in addition, recce the country surrounding their immediate position in order to have the advantage of a thorough knowledge of the country and all its defensive possibilities.

 

            (c) They will recce routes to HENHAM HALL M.99.

 

(d) On receipt of Code Word (b) vide para 20 below all Coys will continually patrol their Coy frontages. The defensive positions will only be occupied on receipt of specific orders from Bn. HQ. O.C. Army Class 1/4 S. LAN. R. will move to SIBTON PARK, M.88 The lifting tpt required to effect this move will be provided under arrangements made by HQ Inf Bde.

 

12. IMMEDIATE ASSISTANCE & EMERGENCY PLATOONS.

 

(a) Immediate Assistance Platoons. "A" Coy. will detail one platoon to provide help for V.P. S.7 R.D.F. STA. M. 8689.

 

(b) Emergency Platoon. "D" Coy. will detail one pl as Emergency pl which will be prepared to provide early assistance to V. Ps. other  than those the Immediate Assistance Pl. is detailed for and also to be prepared to deal with enemy parachutists and saboteurs who may be reported to be operating in any of the Pl areas shown in Appx 'A'.

 

13. DESPATCH OF REINFORCEMENTS.

 

Should troops additional to the Emergency Pls be required such a move will only be made on orders from this HQ. after reference to Bde HQ.

 

14. STATE OF READINESS.

 

State of readiness at all times will be as follows : -

                        Immediate Assistance Pl. )

                        Emergency Pls          -      ) at 4 hours notice

                        Transport                   -     ) at 3 hours notice

 

                        All other tps at 24 hours notice

 

15. LIAISON.

 

(a) The I.O will maintain close touch with Coast Guard Stations at SOUTHWOLD M99 and KESSINGLAND M90.

 

(b) On the receipt of Code Word (b) 2/Lt. J. C. R. Venables will report to Bde HQ. on a M.C.

 

(c) A.A. tps who have to withdraw in front of the enemy have been instructed that, should such a situation arise, they are to place themselves under orders of any other forces in the neighbourhood until such time as the situation is cleared up and they can resume their A.A. role.

 

16. DEFENCE OF R.A.F. ESTABLISHMENT.

 

Notes on the defence of R.A.F. Establishments are attached at Appx 'C'.

 

17. AIR CO-OPERATION.

 

In case of emergency, co-operation by the R.A.F. may be ordered and may take the form of : -

 

(a) Army co-operation provided by 16 A.C. Sqn.

 

(b) B Sqns acting in direct support of land forces.

 

18. ASSISTANCE TO CIVIL AUTHORITIES.

 

(a) The forms which such assistance may take include : -

                        (i) Assisting the police to maintain order and suppress panic;

                        (ii) Assisting to maintain movement of free traffic;

                        (iii) Assisting to deal with the physical effects of enemy bombardment;

                        (iv) Assisting to maintain essential services.

 

(b) Civil Authorities have forces available under their own control and the army is to be considered only as an ultimate res. It will not be required to undertake duties which necessitate special training such as fire fighting, demolition of dangerous buildings etc. An exception at the present time will be the provision of parties of specially trained R.E. personnel for dealing with unexploded bombs.

 

(c) Tps provided to assist civil authorities will be employed only in formed bodies and not as individuals. It should be appreciated that in the presence of formed bodies of disciplined tps will be of great value in sustaining the morale of the public.

 

(d) The employment of tps to assist the civil authorities will be ordered by Bn H.Q., and tps will NOT be so employed without reference to Bde H.Q. In the event of a breakdown of comns the Senior Military Officer present, should an application for the use of tps be received from the police, will use his own discretion and will report the action taken to this immediate superior as soon as possible.

 

(e) In employing tps to assist the civil authorities the following principles will be observed : -

 

(i) A force will be made immediately available to restore a location situation in direct contact with the police authorities; and

 

(ii) A reserve will be formed to deal with situations beyond the control of the forces immediately available.

 

19. USE OF MOTOR TRANSPORT BY THE ENEMY.

 

            If an area is in imminent danger of capture by the enemy it is important that Motor Transport vehicles should NOT be available for his use. Disablement of vehicles will be carried out by military personnel under orders of the Senior Military Officer on the spot, who will only take such action when it is clear that the capture of the area under his control is certain and that no possibility exists of the vehicles being driven out of the area to evade capture.

In order to avoid creating a state of alarm, no overt action of any kind will be taken before an actual emergency arises. Os.C. Coys. and I.O. will, however, arrange for recce of the Bn and Coy. areas in order to ascertain the location of the various garages, and so that the necessary action may be taken rapidly should occasion arise.

 

20. ZERO HOUR AND CODE WORDS.

 

(a)   Zero hour will be the time at which the code word signifying that invasion

is imminent, Code Word (b), is issued from Command HQ.

 

(b)   A definition of the action to be taken on the issue of code words is given in Appendix 'D'.

 

21. INTERCOMMUNICATIONS.

 

(a)   Intercommunications will be by D.R. and civil telephone. The S.O. will liaise

with the civil telephone authorities and report what protection for civil

telephone exchanges is recommended in order to persuade civil operators

to remain on duty.

 

(b)   Code names for use during operations are given in Appendix 'E' which will

be issued separately.

 

(c)   In the event of air co-operation comn between ground and air will be by means of ground strip signals.

 

(d) A location statement showing telephone numbers is att at Appx 'F'.

 

NB -Only Appendix D to the defence plan is included here as this is the most relevant document for the Teaching Pack.

 

SECRET

                                                                                                            Copy No. 12

 

APPENDIX 'D' TO 2/4 South Lancashire Regiment Home Defence Scheme dated April 1940

 

ACTION TO BE TAKEN ON RECEIPT OF CODE WORDS

 

CODE WORD  (a) - JULIUS.

 

Signifies that there are indications that an attack is contemplated.

 

Action.

 

(a)   Defence plan will be overhauled.

 

(b)   Arrangements will be completed for obtaining lifting transport at short notice. Such transport will NOT, however, be collected.

 

(c)   All leave will be stopped.

 

(d)   The specified number of hours notice will be curtailed as considered necessary.

 

CODE WORD  (b) - CAESAR.

 

Signifies invasion imminent.

 

 

(a)   All transport will be collected ready for action.

 

(b)   Ammunition will be distributed.

 

(c)   All units will be warned for immediate action.

 

(d)   L.Os.will take up their posts.

 

(e)   Telegraph lines essential for operational purposes will be taken over.

 

(f)    Harbour authorities will be warned to provide stand-by parties for the immobilization of cranes and harbour facilities on receipt of more definite information as to the port or ports threatened.

 

(g)   Action will be taken in accordance with paragraphs 11 (d) and 15 (b)