Question: Where is the airline that operates the Russian presidential aircraft headquartered?
Context: Nikolay Dmitriyevich Yegorov (Russian: Николай Дмитриевич Егоров ; 1951–1997) was a Russian politician.  He was the Governor of Krasnodar Kray in 1992-1994 and in 1996-1997, Minister for the Ethnic Affairs of the Russian Federation in 1994-1995 and the representative of the President of Russian Federation in Chechnya, the chief of the Russian presidential administration, 1995-1996. June D. Maule (1917 – October 29, 2009) was an American businesswoman.  Maule was the owner and manager of Maule Air, a manufacturer of light, single-engined STOL (Short Take-Off and Landing) aircraft headquartered in Moultrie, Georgia. The Indonesian Presidential Aircraft (Indonesian: "Pesawat Kepresidenan Indonesia" ), also known as Indonesia One with a serial number A-001 is the presidential aircraft carrying the president and vice president of Indonesia.  The aircraft was designed to meet the specific safety and security standards to support the VVIP air transportation needs of the Indonesian president, and includes a high-end self-defense system. World Aircraft Company is an American aircraft manufacturer of light-sport aircraft headquartered in Paris, Tennessee. The Russian presidential aircraft are aircraft of the Russian presidential fleet used by the President of Russia and other government officials, the presidential fleet is operated by Rossiya Airlines.  As Russia is the largest country on Earth by land area, distances within Russia can be very long, and air travel is frequently needed for the President to travel across the country as well as internationally. Columbine II is a Lockheed VC-121A-LO Constellation (Air Force Serial Number 48-0610, Lockheed Model 749-79-36); the aircraft that was to become the first plane to use the Air Force One callsign and the only Presidential aircraft ever sold to a private party.  The aircraft has been ferried from long term storage in the Sonoran Desert at Marana Regional Airport, Arizona, to the east coast for restoration in March 2016. Nashi (Russian: Молодежное демократическое aнтифашистское движение «Наши» , "Molodezhnoye demokraticheskoye antifashistskoye dvizhenye "Nashi" " Youth Democratic Anti-Fascist Movement "Ours!")  is a political youth movement in Russia, which declares itself to be a democratic, anti-fascist, anti-'oligarchic-capitalist' movement.  Its creation was encouraged by senior figures in the Russian Presidential administration, and is labeled as a government organized non-governmental organization (GONGO).  By late 2007, it had grown in size to some 120,000 members aged between 17 and 25.  On April 6, 2012, the "Nashi" leader announced that the current form of the movement would be dissolving in the near future, possibly to be replaced by a different organisation.  He stated that "Nashi" had been "compromised" during the 2012 Russian presidential election. Rossiya Airlines OJSC (Russian: АО «Авиакомпания „Россия“» , "AO Aviakompaniya "Rossiya""), sometimes branded as "Rossiya - Russian Airlines" (Russian: «Россия — Российские авиалинии» , "Rossiya — Rossiyskie avialinii"), is a Russian airline headquartered in Saint Petersburg with its hub at Pulkovo Airport.  It is based in Saint Petersburg, there are branches in Moscow Vnukovo International Airport, Rostov-on-Don Airport and Orenburg Tsentralny Airport.  Rossiya is a fully owned subsidiary of Aeroflot. Air Force One is the official air traffic control call sign for a United States Air Force aircraft carrying the President of the United States.  In common parlance the term describes those Air Force aircraft designed, built, and used to transport the president.  The presidential aircraft is a prominent symbol of the American presidency and its power. Vladislav Yuryevich Surkov (Russian: Владислав Юрьевич Сурков ) (born 21 September 1964), is a Russian businessman and politician of Chechen descent.  He was First Deputy Chief of the Russian Presidential Administration from 1999 to 2011, during which time he was widely seen as the main ideologist of the Kremlin who proposed and implemented the concept of sovereign democracy in Russia.  From December 2011 until May 2013 Surkov served as the Russian Federation's Deputy Prime Minister.  After his resignation, Surkov returned to the Presidential Executive Office and became a personal adviser of Vladimir Putin on relationships with Abkhazia, South Ossetia and Ukraine.
Answer: Saint Petersburg