paragraph_text: The North Atlantic Treaty Organization (NATO / ˈneɪtoʊ /; French: Organisation du Traité de l'Atlantique Nord; OTAN), also called the North Atlantic Alliance, is an intergovernmental military alliance between several North American and European states based on the North Atlantic Treaty that was signed on 4 April 1949.

paragraph_text: Jiayuguan Airport is an airport in Jiayuguan City, Gansu Province, China. It is located 9 kilometers northeast of Jiayuguan and also close to the city of Jiuquan. First built in 1938 for military use, the airport was rebuilt at the current location in 1953 and was formerly called Jiuquan Airport. It was expanded and reopened in August 2006.

paragraph_text: Russia continued to see an opportunity to weaken British power by causing British Columbia, including the Royal Navy base at Esquimalt, to be surrounded or annexed by American territory. Following the Union victory in the civil war, the Tsar instructed the Russian minister to the United States, Eduard de Stoeckl, to re-enter into negotiations with William Seward in the beginning of March 1867. President Johnson was entangled in negotiations about Reconstruction and Seward had alienated a number of Republicans, so they believed that the purchase would help divert attention from the current domestic matters. The negotiations concluded after an all - night session with the signing of the treaty at 04: 00 on March 30, 1867, with the purchase price set at $7.2 million ($123 million today), or about 2 cents per acre ($4.74 / km).

paragraph_text: After the dissolution of the Soviet Union, Ukraine inherited a 780,000-man military force on its territory, equipped with the third-largest nuclear weapons arsenal in the world. In May 1992, Ukraine signed the Lisbon Protocol in which the country agreed to give up all nuclear weapons to Russia for disposal and to join the Nuclear Non-Proliferation Treaty as a non-nuclear weapon state. Ukraine ratified the treaty in 1994, and by 1996 the country became free of nuclear weapons.Ukraine took consistent steps toward reduction of conventional weapons. It signed the Treaty on Conventional Armed Forces in Europe, which called for reduction of tanks, artillery, and armoured vehicles (army forces were reduced to 300,000). The country plans to convert the current conscript-based military into a professional volunteer military.

paragraph_text: The Congress of Berlin (13 June – 13 July 1878) was a meeting of the representatives of six great powers of the time (Russia, Great Britain, France, Austria-Hungary, Italy and Germany), the Ottoman Empire and four Balkan states (Greece, Serbia, Romania and Montenegro). It aimed at determining the territories of the states in the Balkan peninsula following the Russo-Turkish War of 1877–78 and came to an end with the signing of the Treaty of Berlin, which replaced the preliminary Treaty of San Stefano, signed three months earlier between Russia and the Ottoman Empire.

paragraph_text: Turlatovo Airport () is an airport in Ryazan Oblast, Russia located 10 km southeast of Ryazan. It is a small civilian airstrip, currently with no regular flights. Used for parachute sports, training and occasional small aviation flights.

paragraph_text: The Treaty of Brest - Litovsk was a peace treaty signed on 3 March 1918 between the new Bolshevik government of Soviet Russia and the Central Powers (Germany, Austria - Hungary, Bulgaria, and the Ottoman Empire), that ended Russia's participation in World War I. The treaty was signed at Brest - Litovsk (Polish: Brześć Litewski; since 1945 Brest), after two months of negotiations. The treaty was agreed upon by the Bolshevik government to stop further advances by German and Austro - Hungarian forces. According to the treaty, Soviet Russia defaulted on all of Imperial Russia's commitments to the Triple Entente alliance.

paragraph_text: The Alaska Purchase (Russian: Продажа Аляски, tr. Prodazha Alyaski) was the United States' acquisition of Alaska from the Russian Empire on March 30, 1867, by a treaty ratified by the United States Senate, and signed by president Andrew Johnson.

paragraph_text: Yakataga Airport is a public use airport serving Yakataga (also known as Cape Yakataga) in the U.S. state of Alaska. It is owned by Federal Aviation Administration and lies in the western section of Yakutat Borough.

paragraph_text: This is a list of the sixteen counties in the U.S. state of Maine. Before statehood, Maine was officially part of the state of Massachusetts and was called the District of Maine. Maine was granted statehood on March 15, 1820 as part of the Missouri Compromise. Nine of the sixteen counties had their borders defined while Maine was still part of Massachusetts, and hence are older than the state itself. Even after 1820, the exact location of the northern border of Maine was disputed with Britain, until the question was settled and the northern counties signed their final official form, the Webster - Ashburton Treaty, signed in 1842. Almost all of Aroostook County was disputed land until the treaty was signed.

paragraph_text: The Treaty was written at a time when British colonists were pressuring the Crown to establish a colony in New Zealand, and when some Māori leaders had petitioned the British for protection against French forces. It was drafted with the intention of establishing a British Governor of New Zealand, recognising Māori ownership of their lands, forests and other possessions, and giving Māori the rights of British subjects. It was intended to ensure that when the declaration of British sovereignty over New Zealand was made by Lieutenant Governor William Hobson in May 1840, the Māori people would not feel that their rights had been ignored. Once it had been written and translated, it was first signed by Northern Māori leaders at Waitangi, and subsequently copies of the Treaty were taken around New Zealand and over the following months many other chiefs signed. Around 530 to 540 Māori, at least 13 of them women, signed the Treaty of Waitangi, despite some Māori leaders cautioning against it. An immediate result of the Treaty was that Queen Victoria's government gained the sole right to purchase land. In total there are nine signed copies of the Treaty of Waitangi including the sheet signed on 6 February 1840 at Waitangi.

paragraph_text: Lafayette Curry Baker (October 13, 1826 – July 3, 1868) was a United States investigator and spy, serving the Union Army, during the American Civil War and under Presidents Abraham Lincoln and Andrew Johnson.

paragraph_text: Gelendzhik Airport () is an airport in Krasnodar Krai, Russia located in the resort town of Gelendzhik. The airport opened to passengers on 5 June 2010.

paragraph_text: The North Atlantic Treaty Organization (NATO / ˈneɪtoʊ /; French: Organisation du Traité de l'Atlantique Nord; OTAN), also called the North Atlantic Alliance, is an intergovernmental military alliance between 29 North American and European countries. The organization implements the North Atlantic Treaty that was signed on 4 April 1949. NATO constitutes a system of collective defence whereby its independent member states agree to mutual defence in response to an attack by any external party. NATO's Headquarters are located in Haren, Brussels, Belgium, while the headquarters of Allied Command Operations is near Mons, Belgium.

paragraph_text: Tarnogsky Gorodok is an airport in Russia located 2 km northeast of the selo of Tarnogsky Gorodok, the center of Tarnogsky District in Vologda Oblast. It is a small civilian airfield, with small parking apron. The airport is defunct.

paragraph_text: On June 12, 1990, the Congress of People's Deputies adopted the Declaration of State Sovereignty. On June 12, 1991, Boris Yeltsin was elected the first President. On December 8, 1991, heads of Russia, Ukraine and Belarus signed the Belavezha Accords. The agreement declared dissolution of the USSR by its founder states (i.e. denunciation of 1922 Treaty on the Creation of the USSR) and established the CIS. On December 12, the agreement was ratified by the Russian Parliament, therefore Russian SFSR denounced the Treaty on the Creation of the USSR and de facto declared Russia's independence from the USSR.

paragraph_text: The PTBT was signed by the governments of the Soviet Union, United Kingdom, and United States in Moscow on 5 August 1963 before being opened for signature by other countries. The treaty formally went into effect on 10 October 1963. Since then, 123 other states have become party to the treaty. Ten states have signed but not ratified the treaty.

paragraph_text: Russia continued to see an opportunity to weaken British power by causing British Columbia, including the Royal Navy base at Esquimalt, to be surrounded or annexed by American territory. Following the Union victory in the Civil War, the Tsar instructed the Russian minister to the United States, Eduard de Stoeckl, to re-enter into negotiations with William H. Seward in the beginning of March 1867. President Johnson was entangled in negotiations about Reconstruction and Seward had alienated a number of Republicans, so they believed that the purchase would help divert attention from the domestic issues. The negotiations concluded after an all - night session with the signing of the treaty at 04: 00 on March 30, 1867, with the purchase price set at $7.2 million ($105 million in 2016), or about 2 cents per acre ($4.74 / km).

paragraph_text: Murtala Muhammed International Airport (MMIA) (IATA: LOS, ICAO: DNMM) is an international airport located in Ikeja, Lagos State, Nigeria, and is the major airport serving the entire state. The airport was initially built during World War II and is named after Murtala Muhammed, the 4th military ruler of Nigeria.

paragraph_text: Smolensk North Airport (Russian военный аэродром "Смоленск-Северный", "Smolensk North Military Aerodrome") is a decommissioned military airbase in Smolensk Oblast, Russia, located 4 km north of the city of Smolensk. It is now used as Smolensk's sole airport for civil and military flights. It has a remote revetment area with 8 pads and a Yakovlev factory at the southeast side of the airfield, the Smolensk Aviation Plant.

Question: The state that houses Yakataga Airport was purchased from Russia with the participation of a U.S. president. What branch of the military did that president serve in?
Answer: Union Army