Imperial Iran
During the Russian Civil War Britain had tried to use Persia as a step-off point for an attack on the Bolsheviks. In response the Bolsheviks had made inroads into northwestern Persia, leading to the creation of the breakaway Persian Socialist Soviet Republic. Led by a weak Shah, imperial Persian control extended little beyond Tehran, and in late 1920 the Soviets were mobilising villagers to move on Tehran. In response Brigadier-General Reza Pahlavi, the commander of the Persian Cossack Brigade, led a military coup in 1921 and deposed the Shah. Within a month Persia had signed the Russo-Persian Treaty of Friendship that resulted in the exit of Soviet soldiers from Persian territory. As a tool for neutralising potential White Russian counter-revolutionaries, Article IV of the Treaty gave the Soviets the right to invade and occupy Persia should they believe foreign troops were using it as a staging area for an invasion of the Soviet Union. Reza Pahlavi spent the rest of 1921 dealing with internal rebellions and counter-revolts, including reintegrating the Persian Soviet. By the end of 1925 the country had been largely subdued and Reza Pahlavi was officially declared the Shah of Persia.
Reza Shah’s main policy position was reducing foreign influence in the country, but at the same time he brought in German and Italian assistance to counterbalance British and Soviet interests. As a part of his reinforcing the national identity, in 1935 The Shah changed the name of the country from the ancient Greek derived “Persia”, to the endonym “Iran”. From initially being supported by Britain relations rapidly started cooling, with the main issue being the meagre royalties paid by the British owned Anglo-Persian Oil Company that was eventually taken to the League of Nations.
One of Reza Pahlavi's first actions was declaring himself as Minister of War, and he had then embarked on a massive expansion and modernisation of the Persian national military; ordering vehicles, tanks and weapons. By 1924 Persia had its first aircraft in its Air Force. Persia had been without a navy, and so to combat smuggling and piracy a naval force was also created. From 1928 Italian naval advisors were in country, while Iranian naval officers were trained in Italy.
By 1941 the Imperial Iranian Air Force was in the process of modernising its aging fleet. An initial mixed bag of Russian and French and British aircraft had been standardised to British biplane fighters and ground attack aircraft by the mid 1930’s. It had been planned to upgrade further to Hawker Hurricanes, but Britain had dragged its feet on the order for 30 machines – first with the demands of Hitler’s War and then with reconsidered reluctance to supply modern equipment to Iran. Turning instead to the US, 10 Curtiss H-75A-9 Hawk fighters were purchased in late 1939, and negotiations were underway to purchase more American aircraft.
The Imperial Iranian Navy had been built not as a military fighting force, but rather as an anti-smuggling police force for the waters of the Kuwait/Iraq/Iran borderlands. From its main bases at Khorramshahr and Bandar Shapur the modest force comprised sloops and minesweepers.
The Imperial Iranian Army had experienced the most expansion. Before Reza Shah there was no “national army”, but by 1941 nearly 160,000 men were in uniform. But this same growth had also weakened the army’s military effectiveness. Rather than the previous reliance on tribal warriors, their replacement by a mass of conscripts who were mostly uneducated and poorly trained led by a corrupt officer class, meant that soldiers were often careless, unmotivated, and mistreated in their barracks. Equipment levels had also skyrocketed, with the Iranian army having over 500,000 modern rifles and nearly 1000 artillery pieces by 1941. As a former cavalryman Reza Shah had a strong interest in mobile warfare and invested heavily in motorised and armoured vehicles. In 1921 Persia received its first Rolls Royce armoured cars, followed up with custom-designed US models from LaFrance and Marmon-Herrington. In 1925 Persia received its first tracked vehicles from France, modern Citroën Kégresse halftracks and obsolete Renault FT-17 light tanks.
But the biggest Persian investment was in new tanks. Czechoslovakian ČKD became the tank manufacturer of choice, with the AH-IV-P tankette and LT vz.38 light tank set to become the Iranian armoured battle fleet. An initial order of 50 and 60 vehicles respectively was delivered and made operational by 1937, but orders for hundreds of additional machines of both types were halted as Czechoslovakia was incorporated into Nazi Germany. Further export production was halted, as the factory instead was redirected to make tanks for the Reich. With the collapse of the Nazi government export production resumed, but now Iran’s order became an updated model of the LT vz.38 based on the Pz.38(t), but still fitted with the Iranian choice of Škoda gun.
While the creation of a national defence force from the apathy and anarchy of the previous regime was a significant achievement, by the 20th anniversary of the coup the difference between the on-paper potential of the military and its in-field actuality were quite significant. Corruption and ineffectiveness were rife through the military. Senior officers were often in their positions due to political connections rather than skills or ability. This led to inefficiencies which were only reinforced with every issue running through Reza Shah as the commander-in-chief, and from there downwards though the ineffective senior officer corps, reducing the potential for initiative or decision making. No advance had been made in logistics since the start of Reza Shah’s rule. While Tehran had a full complement of supplies, vehicles, weapons and ammunition, in the regions this was not the case. Armouries were stocked at low levels and the ability to move materiel on anything other than in piecemeal on horseback was limited. Likewise communications had been neglected, with minimal modern radios meaning that couriers relayed orders and reports between headquarters and individual units. Twenty years of actions against tribal bandits had not prepared the Iranian military to be adequately prepared for modern warfare.
*Oops, spelling mistake