The Bahrain Defence Force (Arabic: قوة دفاع البحرين, abbreviated BDF) is the military force of the Kingdom of Bahrain. The Bahrain Defence Force is under the direct command and leadership of a commander-in-chief who holds the rank of field marshal. The Government has a Minister of Defence Affairs, responsible for BDF representation in the Cabinet.

The BDF numbers about 18,000 personnel and consists of the Royal Bahraini Air Force, Royal Bahraini Army, Royal Bahraini Navy and the Royal Guard. Apart from the BDF, the public security forces and the Coast Guard report to the Ministry of Interior.

In January 2008, Crown Prince Salman bin Hamad bin Isa Al Khalifa, was appointed as the Deputy Supreme Commander, while Khalifa bin Ahmed Al Khalifa was appointed Commander-in-Chief of the BDF. BDF's Chief of Staff is Lieutenant General Theyab bin Saqer Al Noaimi.

Royal Bahraini Army
https://en.wikipedia.org/wiki/Royal_Bahraini_Army
Royal Bahraini Army is the ground force component of the Bahrain Defence Force. The army's current strength is 20,000 personnel and headed by Lieutenant General Khalifa bin Abdullah Al-Khalifa.

Royal Bahraini Air Force
https://en.wikipedia.org/wiki/Royal_Bahraini_Air_Force
The Royal Bahraini Air Force (Arabic: سلاح الجو الملكي البحريني, abbreviated as RBAF, formerly known as Bahrain Amiri Air Force) is the aerial warfare branch of the Bahrain Defence Force (BDF). Originally formed as the BDF Air Wing in 1976, it became an independent service branch in 1987. The RBAF was involved in combat operations during the Gulf War and the Saudi-led intervention in the Yemeni civil war.

Bahrain has developed a well-equipped air force and was the second country in the Gulf Cooperation Council after Saudi Arabia to acquire advanced fighters, namely the F-16C/D in 1989, which have been the RBAF's main combat aircraft since then. Bahrain was the first country in the Gulf to use the F-16. In the early 2010s Bahrain decided to replace its older F-5E and F-5F fighters with more modern planes, as well as to modernize its existing F-16 fleet. It ordered 16 new planes of the F-16 Block 70 variant, which it expects to acquire in 2024.

Royal Bahraini Naval Force
https://en.wikipedia.org/wiki/Royal_Bahraini_Naval_Force
The Royal Bahraini Naval Force (Arabic: القوات البحرية الملكية البحرينية, abbreviated RBNF), also called the Royal Bahraini Navy, is the maritime branch of the Bahrain Defence Force. The RBNF consists of 700 personnel, 35 ships, and two helicopters. The fleet includes one frigate, the former U.S. Oliver Hazard Perry-class RBNS Sabha.

The RBNF received the frigate Sabha from the U.S., arriving in Bahrain on 9 July 1997. On 18 January 2024, a second Oliver Hazard Perry-class frigate, RBNS Khalid bin Ali, reached Bahrain after being transferred from the U.S. Navy.