Question: What prefix was removed with government's tranistion to a Republic in 1950 from the fourth ranking airforce of the world, which includes No. 48 Squadron IAF assigned to Maintenance Command and participates in operations involving air, land and airdrop of troops, equipment, supplies, and support or augment special operations forces, when appropriate.

full_context: Document 1: No. 48 Squadron IAF: No. 48 Squadron is a unit of the Indian Air Force assigned to Maintenance Command. The Squadron participates in operations involving air, land and airdrop of troops, equipment, supplies, and support or augment special operations forces, when appropriate.
Document 2: Air Force ranks and insignia of India: The Indian Air Force's rank structure is based on that of the Royal Air Force. The highest rank attainable in the Indian Air Force is Marshal of the Indian Air Force, conferred by the President of India after exceptional service during wartime. MIAF Arjan Singh is the only officer to have achieved this rank. The head of the Indian Air Force is the Chief of the Air Staff, who holds the rank of Air Chief Marshal. The current Chief of the Air Staff is Air Chief Marshal Birender Singh Dhanoa, appointed on 31 December 2016, following the retirement of Air Chief Marshal Arup Raha.
Document 3: No. 44 Squadron IAF: No. 44 Squadron is a unit of the Indian Air Force assigned to Maintenance Command. The Squadron participates in operations involving air, land and air-drop of troops, equipment, supplies, and support or augment special operations forces, when appropriate.
Document 4: Air India One: Air India One (also referred to as AI-1 or AIC001) is the call sign of any aircraft with the Prime Minister or President of India on board. Air India is the national airline of India. The aircraft is operated as VIP flight by the Indian Air Force (IAF). The IAF's Air Headquarters Communication Squadron, based at Indira Gandhi International Airport (formerly Palam Air Force Base) in New Delhi, is in charge of operating these aircraft.
Document 5: Indian Armed Forces: The Indian Armed Forces (: "Bhāratīya Saśastra Senāeṃ") are the military forces of the Republic of India. It consists of three professional uniformed services: the Indian Army, Indian Navy, and Indian Air Force. Additionally, the Indian Armed Forces are supported by the Indian Coast Guard and paramilitary organisations (Assam Rifles, and Special Frontier Force) and various inter-service commands and institutions such as the Strategic Forces Command, the Andaman and Nicobar Command and the Integrated Defence Staff. The President of India is the Supreme Commander of the Indian Armed Forces. The Indian Armed Forces are under the management of the Ministry of Defence (MoD) of the Government of India. With strength of over 1.4 million active personnel, it is the world's 2nd largest military force and has the world's largest volunteer army. It is important to note that the Central Armed Police Forces, which are commonly and incorrectly referred to as 'Paramilitary Forces', are headed by officers from the Indian Police Service and are under the control of the Ministry of Home Affairs, not the Ministry of Defence.
Document 6: No. 81 Squadron IAF: No. 81 Squadron is a unit of the Indian Air Force assigned to Western Air Command. The Squadron participates in operations involving air, land and airdrop of troops, equipment, supplies, and support or augment special operations forces, when appropriate.
Document 7: Royal New Zealand Air Force: The Royal New Zealand Air Force (RNZAF) (Maori: "Te Tauaarangi o Aotearoa", "New Zealand Warriors of the Sky"; previously "Te Hokowhitu o Kahurangi", "War Party of the Blue") is the air force component of the New Zealand Defence Force. It was formed from New Zealand elements of the British Royal Air Force, becoming an independent force in 1923, although many RNZAF aircrew continued to serve in the Royal Air Force until the end of the 1940s. The RNZAF fought in World War II, Malaysia, Korean War, Vietnam and the Gulf War plus various United Nations peacekeeping missions. From a 1945 peak of over 1,000 combat aircraft the RNZAF has shrunk to a strength of around 51 aircraft in 2016, focusing on maritime patrol and transport duties in support of the Royal New Zealand Navy and the New Zealand Army. The RNZAF's air combat capability ended in 2001 with the disbanding of the A-4 Skyhawk squadrons. The Air Force is led by an air vice-marshal who holds the appointment of Chief of Air Force.
Document 8: Royal Air Force: The Royal Air Force (RAF) is the United Kingdom's aerial warfare force. Formed towards the end of the First World War on 1 April 1918, it is the oldest independent air force in the world. Following victory over the Central Powers in 1918 the RAF emerged as, at the time, the largest air force in the world. Since its formation, the RAF has taken a significant role in British military history, in particular, playing a large part in the Second World War where it fought its most famous campaign, the Battle of Britain.
Document 9: No. 43 Squadron IAF: No. 43 Squadron is a unit of the Indian Air Force assigned to Maintenance Command. The Squadron participates in operations involving air, land and airdrop of troops, equipment, supplies, and support or augment special operations forces, when appropriate.
Document 10: No. 12 Squadron IAF: No. 12 Squadron is a unit of the Indian Air Force assigned to Maintenance Command. The Squadron participates in operations involving air, land and airdrop of troops, equipment, supplies, and support or augment special operations forces, when appropriate.
Document 11: No. 49 Squadron IAF: No. 49 Squadron is a unit of the Indian Air Force assigned to Maintenance Command. The Squadron participates in operations involving air, land and airdrop of troops, equipment, supplies, and support or augment special operations forces, when appropriate.
Document 12: No. 25 Squadron IAF: No. 25 Squadron is a unit of the Indian Air Force assigned to South Western Air Command. The Squadron participates in operations involving air, land and airdrop of troops, equipment, supplies, and support or augment special operations forces, when appropriate.
Document 13: Israeli Air Force: The Israeli Air Force (IAF; Hebrew: זְרוֹעַ הָאֲוִיר וְהֶחָלָל‎ , "Zroa HaAvir VeHahalal", "Air and Space Arm", commonly known as , "Kheil HaAvir", "Air Corps") operates as the aerial warfare branch of the Israel Defense Forces. It was founded on May 28, 1948, shortly after the Israeli Declaration of Independence. As of August 2017 Aluf Amikam Norkin serves as the Air Force Commander.
Document 14: Indian Air Force: The Indian Air Force (IAF; : "Bhāratīya Vāyu Senā") is the air arm of the Indian armed forces. Its complement of personnel and aircraft assets ranks fourth amongst the airforces of the world. Its primary mission is to secure Indian airspace and to conduct aerial warfare during armed conflict. It was officially established on 8 October 1932 as an auxiliary air force of the British Empire which honored India's aviation service during World War II with the prefix "Royal". After India gained independence from the United Kingdom in 1947, the name Royal Indian Air Force was kept and served in the name of Dominion of India. With the government's transition to a Republic in 1950, the prefix "Royal" was removed after only three years.
Document 15: Italian Air Force: The Italian Air Force (Italian: Aeronautica Militare; AM) is the aerial defence force of the Italian Republic. The Air Force was founded as an independent service arm on 28 March 1923, by King Victor Emmanuel III as the "Regia Aeronautica" (which equates to "Royal Air Force"). After World War II, when Italy was made a republic by referendum, the "Regia Aeronautica" was given its current name. Since its formation the service has held a prominent role in modern Italian military history. The aerobatic display team is the Frecce Tricolori.
ground_truth: "Royal"