Third Set of Plans (HGr C) - 28. August/6. September 1940

[Fall Grün - 28.8.40] [Operation Tannenbaum 6.9.40]

Fall Grün 26.8 - 28.8.1940

The third plan was initiated through an order sent by the OKH on 26. August 1940 to HGr C. The basic assumptions of the planning were to be:

On 27.8. the HGr C asked the OK that the 15. ID, 215. ID, 260. ID and the XXVII corps command should remain with 12th army in order to be used in the operation against Switzerland. On the same day the HGr C sent the request to work on the plan based on the orders received the day before to 12th army with the order to call the plan "Fall Grün".

Already on the 28.August the 12th army submitted a proposal for the operation named "Fall Grün" consisting of the following parts:

On 29. August the HGr C replied to 12th army, that the army group would be able to provide 2 AK, 3 AK (mot), 9 ID, 2 ID (mot) and 4 PD.

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OOB (large)

Besides the 12th army which is mentioned in the plan, the other army could have been the 1st army which was still located in the area.

Luftwaffe

2 Jagdgeschwader (3 groups each)
2 Stukageschwader (2 groups each)
Airborne troops (ca 6 to 8 Bn)

OOB (small)

Luftwaffe

2 Jagdgeschwader (3 groups each)
2 Stukageschwader (2 groups each)
Airborne troops (ca 6 to 8 Bn)

Tannenbaum 6.9.1940

On 6. September 1940 the 12th army sent the reworked final draft operational plan to the HGr C. The plan now was called "Tannenbaum". It required 16 to 17 divisions. The plan had a lot of similarities with the earlier "Fall Grün". It asked for a concentric attack with two fast wings (I and V) to cut off the forces in the Swiss advanced position. The planning still assumed, that the Swiss main forces were concentrated in the North and that just two reserve divisions (3rd and 8th) were located in the mountains.

The plan proposed the following timing:

There are no indications that this plan was forwarded to the OKH. Almost a month later a reworked fourth plan was sent by HGr C to the OKH.

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OOB

Army reserve

1 ID (mot)
3 Pio Bn
4 Construction Bn
1 Railroad construction Bn (10 construction coys).

AK (mot), 1 mixed AA Bn, 1 Pio Rgt1), 1 Pio Bn (incl 2 Bridging Cols), 1-2 PD (each with 1 le Flab Abt), 2 GD

AK, 1 mixed AA Bn, 1 Pio Rgt1), 1 Pio Bn (incl 2 Bridging Cols), 2 ID

AK, 1 mixed AA Bn, 1 Pio Rgt1), 1 Pio Bn (incl 2 Bridging Cols), 2 ID + eventually 1 ID (mot) from army reserve

AK, 1 mixed AA Bn, 1 Pio Rgt1), 1 Pio Bn (incl 2 Bridging Cols), 2 ID

AK (mot), 1 mixed AA Bn, 1 Pio Rgt1), 1 Pio Bn (incl 2 Bridging Cols), 2 PD (each with 1 le Flab Abt), 1 ID (mot), 1 ID

AK, 1 mixed AA Bn, 1 Pio Rgt1), 1 Pio Bn (incl 2 Bridging Cols), 2 ID

Luftwaffe

1 Jagdgeschwader (ca 150 fighters)
2 Stukageschwader (ca 170 Stukas)
Airborne units for landings at the Thielle and W of Zurich (Wasserschloss?)

1) 1 Bridge construction Bn, 1 Road construction Bn, 2 - 3 General construction Bn, 2 Transport columns.

[Last Update 30.08.2010]