The 1974 Cyprus Peace Operation

 Türkiye’s Foreign Policy Willpower and Strategic Resilience

The 1974 Cyprus Peace Operation stands as one of the most critical turning points in the recent political and military history of the Republic of Türkiye. This operation not only protected the Turkish presence on the island but also demonstrated to the entire world Türkiye’s independent willpower to exercise its rights under international law, its alliance relations, and its own strategic decisions.

The diplomatic process leading up to the operation, the execution of the military intervention, and the subsequent embargoes imposed by the United States provide important lessons on how Türkiye should build its defense and foreign policy capacity.

The Process Leading to the Operation and Diplomatic Background

The two-communal partnership state established in Cyprus by the 1960 Zurich and London Agreements had been targeted through acts of violence and rendered inoperable since 1963, in line with the Greek Cypriot goal of Enosis (the union of the island with Greece). Although Türkiye had indicated its intention to intervene in the island in 1964 and 1967, it faced open obstruction from the US, most notably with the famous “Johnson Letter” in 1964.

On July 15, 1974, a coup d’état supported by Nikos Sampson, the leader of EOKA-B, aimed to completely destroy the Republic of Cyprus and annex the island. Upon this development, Türkiye resorted to diplomatic channels using its right of guarantee. The Turkish government, led by Prime Minister Bülent Ecevit and Deputy Prime Minister Necmettin Erbakan, first attempted to carry out a joint intervention with the United Kingdom, a guarantor state. When the UK evaded this responsibility, Türkiye launched the Cyprus Peace Operation on July 20, 1974.

The “Ayşe Can Go on Vacation” Passphrase and the Second Operation

The first phase of the operation was halted in compliance with the ceasefire call of the United Nations Security Council, and the Geneva Conference process began. However, the stalling tactics of Greece and the Greek Cypriot side at the conference, their efforts to buy time, and their practices that threatened the safety of the Turks on the island showed that diplomatic solutions had been exhausted.

Turan Güneş, then Minister of Foreign Affairs, who was conducting the negotiations in Geneva, realized that no results would emerge from the talks and communicated with Ankara. To prevent potential wiretapping, Güneş used a coded language and conveyed the following historic passphrase, bearing the name of his daughter, Ayşe, to the officials at the Ministry of Foreign Affairs.

“Ayşe can go on vacation.”

This passphrase served as the political signal to launch the Second Peace Operation on August 14, 1974. Thanks to the rapid and decisive advance of the Turkish Armed Forces, approximately thirty-five percent of the island was brought under control, laying the foundations of the TRNC (Turkish Republic of Northern Cyprus), which exists today.

US Embargoes and Türkiye’s Strategic Transformation

The 1974 operation brought one of the biggest rifts of the Cold War era in Türkiye’s relations with the United States. Türkiye’s decision to carry out the operation despite US dissuasion on an issue concerning its national security was met with a reaction in the US Congress.

* Aircraft and Weapon Supply Problems: The US administration and Congress decided to impose an arms embargo on Türkiye, which entered into force on February 5, 1975. The aircraft and spare parts that Türkiye had purchased from or ordered from the US were not delivered.

* Impact of the Embargo: During this process, the vulnerability of depending on a single country under the guise of a NATO alliance was clearly understood. The US embargo generated the need for Türkiye to reduce its foreign dependency in the defense industry.

Photo by Katerina Bot on Unsplash

Evaluation of the Correct Strategy

Türkiye’s 1974 strategy is interpreted along the axes of realism and determination in international relations.

1. Exercise of Rights Arising from Treaties: Instead of making a unilateral intervention, Türkiye used its right of guarantee from the 1960 Agreements as a legal basis.

2. Ability to Act Despite Allies: Despite US pressure and the threat of a potential embargo, Türkiye’s move in line with its national interests became the most concrete example of its independent foreign policy capacity.

3. National Industry Vision: In the long term, the US embargo laid the groundwork for the establishment of Türkiye’s own defense industry institutions (such as ASELSAN, TUSAŞ (TAI), and Havelsan) and the development of today’s modern, domestically produced infrastructure.