This paper provides a structured operational analysis of Operation Torch, the Allied invasion of North Africa during World War II. Using center-of-gravity frameworks, the paper examines Allied and Axis end states, critical capabilities, critical requirements, and critical vulnerabilities in the North African theater. It identifies the speed of Allied establishment in French North Africa as the pivotal center of gravity, outlines decisive points such as the port cities of Morocco, Algeria, and Tunisia, and assesses the strategic significance of French forces' allegiance. The paper also evaluates potential culmination points — including Axis reinforcement from the Western Desert, Spanish entry into the war, and a breakthrough at Suez — that could derail the Allied campaign.
The desired end state for the Allies is complete control of North Africa from the Atlantic in the west to the Red Sea in the east. The primary obstacle to achieving this end state is readily described: the Axis controls the Mediterranean Sea, with only small exceptions on the far eastern and western ends. The British hold Alexandria and the Suez Canal on the eastern Mediterranean, and hold the island of Malta and the Straits of Gibraltar in the western Mediterranean. Due to Axis control of southern Europe — including, crucially, the Italian peninsula and Sicily — the Axis has reliable sea lines of communication (SLOC) and air lines of communication (ALOC) into the central portion of North Africa, where their troops are presently stationed in the Western Desert. Neither the Allies nor the Axis has reliable or useful land lines of communication (LLOC) in this theater.
The critical requirements for the Allies to achieve this end state are therefore to establish reliable bases on the north and northwest coasts in the regions of Casablanca, Oran, Algiers, and Tunis. This area is controlled by Vichy France, which is technically not part of the Axis and may offer less resistance to an Allied incursion. Gibraltar remains under Allied control but is surrounded by Spain, which is neutral but politically fascist and therefore potentially liable to join the Axis if threatened or if its neutrality is impinged upon. The establishment of bases must therefore be followed by a second critical requirement: taking control of French North Africa entirely — that is, the countries of French Morocco, Algeria, and Tunisia. This would have to be accomplished with an awareness of the ongoing Axis force buildup to the east, in the desert between Libya and western Egypt. If the Allies take too long in seizing French North Africa, the Axis could very well advance from what is presently its rearward flank.
The critical vulnerabilities of the Allies in establishing themselves are the potential reaction of the Vichy French and, to a lesser degree, of neutral Spain. Allied defense of Gibraltar and Malta would therefore be a necessary component of any invasion strategy, especially given the possibility that Spain might enter the conflict and greatly complicate Allied goals. The other critical vulnerability is the presence of a substantial Axis force presently fighting British Allied forces in the Western Desert. The threat of these forces moving westward in the event of an Allied invasion that meets little French resistance is estimated as a greater problem than potential French resistance itself. If Rommel reaches Tunis before the Allies do, this represents a potentially insurmountable obstacle. However, given the Axis's primary focus on fighting the Russians at this time, it is unlikely that their overall strategy could shift quickly enough to establish more substantial ALOC and SLOC to provide the necessary logistical support. Speed — in establishing bases and taking French North Africa — appears to be the most crucial factor for the Allies.
The desired end state for the Axis may be assumed to be broadly the same as for the Allies: ultimately, to gain control of the entirety of North Africa. The difference lies in the strategic advantage the Axis currently holds. Due to their control of the Mediterranean and their ability to maintain ALOC and SLOC from continental Europe through Italy and Sicily and across to North Africa, the Axis already has a substantial military presence in the Western Desert, hoping to march east from Libya and take the British Allied possessions in Egypt.
The potential vulnerabilities of the Axis position are equally apparent. The Vichy French are a conquered people and are not signatories to the original Axis military pact. Although they are unlikely to revolt against Axis domination in French North Africa — from Tunisia west to Morocco — they may also not fight with the same ferocity as Axis forces would in repulsing an Allied invasion. Likewise, the Axis's main military front is presently not in North Africa but closer to Stalingrad. The following framework summarizes the Axis position:
End State: Retain all of North Africa under effective Axis control.
Critical Capabilities and Center of Gravity: The Axis must ensure the Vichy French keep the Allies out, which corresponds to retaining Vichy French rule in French North Africa. The Axis must also reduce existing Allied territory on the eastern and western ends of North Africa, with the center of gravity being the ability to cut off the Allied presence at either Suez in the east or Gibraltar in the west.
Critical Requirements and Critical Vulnerabilities: The Axis requires SLOC and ALOC from Italy and Sicily, as well as the Vichy French holding fast. Their critical vulnerabilities are: if the Vichy French capitulate, the Axis rear flank in western North Africa is exposed; and since the main military objective lies elsewhere — in Russia — the Axis cannot redirect logistical necessities quickly enough to compensate.
The three basic lines of operation for Operation Torch are as follows:
Line 1 — Ground Invasion: Invade and take major ports in Vichy French territory; expand from there to seize all of French North Africa; and prepare for battle with Axis forces east of Tunis.
Line 2 — SLOC: Retain Gibraltar and Suez; establish bases close to the Atlantic; and build a naval presence sufficient to challenge Axis control of the Mediterranean.
Line 3 — ALOC: Retain Malta and Gibraltar; prepare for a possible Spanish front; and use carriers until bases are established.
In sum, Operation Torch will require a ground force to invade French North Africa, the maintenance of Allied SLOC and ALOC despite their potential vulnerabilities, and a zealous defense of existing Allied territory on the eastern and western ends of the Mediterranean. Initial strategy centers on seizing ports in French North Africa and expanding outward to seize the entirety of that territory. Carrier-based air power can support combat operations until bases are established, and a sufficient naval presence will be required to challenge Axis dominance in the western Mediterranean while holding Malta and Gibraltar. The possibility of a Spanish front should be monitored, though it is not a certainty.
The end state of Operation Torch that defines the achievement of all military objectives is the total expulsion of the Axis from North Africa. The most immediate specific objective is the reclamation of Vichy French territories for the Allies. The existence of an anti-Axis French resistance suggests that once Vichy French territories are taken, existing French forces will join the Allies in fighting the Axis military presence, currently confined to Libya. Once French North Africa is under Allied control, the strategic advantage enjoyed by the Axis — derived from its short ALOC and SLOC hop across the Mediterranean from the Italian peninsula and Sicily — is partially nullified.
With the addition of French forces to the Allied order of battle, Rommel will no longer hold a numerical advantage, particularly given that Axis efforts are presently concentrated in Russia. Furthermore, Rommel will be fighting on two fronts: British Allied forces pressing from Alexandria and the Western Desert on his right, and the Allied invasion force joined by French troops on his left, catching him in a classic pincer movement.
The Allied end state is to take all of North Africa. The critical capabilities required are: establishing bases in French North Africa quickly; retaining existing Allied territory on the eastern and western ends of North Africa; and ultimately eliminating Axis forces from the Western Desert. The center of gravity corresponding to these capabilities is the speed of establishing a secure foothold in French North Africa and the speed of building a sufficiently large force to defeat the Axis presence.
Critical requirements include SLOC from the Atlantic, ALOC from Gibraltar and Malta, and sufficient naval and ground forces to establish and then expand from initial bases. Critical vulnerabilities are: greater-than-anticipated resistance from the Vichy French; Spain abandoning neutrality and threatening Allied control of Gibraltar; and Axis forces in the Western Desert reaching French North Africa faster than estimated.
This analysis makes the center of gravity the time available to the Allied invasion. What is most pivotal is the speed at which the Allies can establish themselves in French North Africa and build up troops quickly enough to seize the entirety of the territory eastward as far as Tunis. The factors affecting this speed are the potential resistance of Vichy French forces — and the additional complication of Spain abandoning neutrality, which would directly threaten Gibraltar. In reality, the success or failure of Operation Torch hinges on how long the Allies can delay a direct encounter with Axis forces.
"Torch plan's relation to broader Axis strategic priorities"
"Port cities, French allegiance, and Mediterranean outlets"
"Three scenarios that could cause Allied campaign failure"
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