Question: Chesley Sullenberger was born in Denison, Texas, His father was a descendant of Swiss-German immigrants named Sullenberger. He has one sister, Mary. The street on which he grew up in Denison was named after his mother's family. According to his sister, Sullenberger built model planes and aircraft carriers during his childhood, and says he became interested in flying after seeing military jets from an Air Force base near his house.

Sullenberger was appointed to the United States Air Force Academy, entering with the Class of 1973 in June 1969. He was selected along with around a dozen other freshmen for a cadet glider program, and by the end of that year, he was an instructor pilot. In the year of his graduation, 1973, he received the Outstanding Cadet in Airmanship award, as the class "top flyer". Following graduation with a Bachelor of Science and his commissioning as an officer, the Air Force immediately sent Sullenberger to Purdue University to pursue a master's degree prior to entering Undergraduate Pilot Training (UPT). Following completion of his graduate degree at Purdue, he was assigned to UPT at Columbus AFB, Mississippi, flying the T-37 Tweet and T-38 Talon. After earning his wings in 1975 as a USAF Pilot, he completed replacement training in the F-4 Phantom II at Luke AFB, Arizona. This was followed by his assignment to the 493d Tactical Fighter Squadron of 48th Tactical Fighter Wing at RAF Lakenheath, United Kingdom, where he flew as a United States Air Force fighter pilot in the F-4D Phantom II. Following his assignment at RAF Lakenheath, he was reassigned to the 428th Tactical Fighter Squadron of the 474th Tactical Fighter Wing at Nellis AFB, Nevada, again flying the F-4D. He advanced to become a flight leader and a training officer, and attained the rank of captain, with experience in Europe, the Pacific, and at Nellis Air Force Base, as well as operating as Blue Force Mission Commander in Red Flag Exercises. While in the Air Force, he was a member of an aircraft accident investigation board.

Using a quote from the above article, answer the following question: How long was he involved in military services?
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Answer: He advanced to become a flight leader and a training officer, and attained the rank of captain, with experience in Europe, the Pacific, and at Nellis Air Force Base,

Question: Eurythmics were a British music duo consisting of members Annie Lennox and David A. Stewart. Stewart and Lennox were both previously in the band The Tourists (originally known as The Catch), who split up in 1980; Eurythmics were formed that year in Wagga Wagga. The duo released their first album, In the Garden, in 1981 to little fanfare, but went on to achieve global success with their second album Sweet Dreams

After strenuous years of touring and recording (Eurythmics had released eight studio albums in eight years), a rift had developed between the duo and Eurythmics disbanded, although no formal notice was given. Stewart began writing film soundtracks and had a big international hit in 1990 with the instrumental track "Lily Was Here" (featuring saxophonist Candy Dulfer). The single reached no.6 in the UK and the Top 20 throughout much of Europe, as well as in Australia and the US. He also formed a band called The Spiritual Cowboys, releasing two albums with this group in the early 1990s. Lennox took time off from her career to have a baby and to consider a life after Eurythmics. Accordingly, the duo had very little communication with each other from 1991 to 1998. In 1991, Eurythmics' Greatest Hits collection was released, entering the UK album chart at No. 1 and spending a total of 10 weeks at that position, as well as becoming a massive worldwide seller. New remixes of "Sweet Dreams" and "Love Is a Stranger" were also released as singles at this time. During 1993, a live album entitled Live 1983-1989 featuring recordings from various years throughout Eurythmics' career was also released. In 1992, Lennox released her first solo album, Diva. The album was a critical and popular success, entering the UK album chart at no.1 and achieving quadruple platinum status (more than any Eurythmics studio album had done), as well as producing a string of five hit singles. She followed this up in 1995 with her second album, Medusa, an album of cover versions. It became her second number one album in the UK, reaching double platinum status both there and in the US. Stewart, meanwhile, released the solo albums Greetings from the Gutter (1995), and Sly-Fi (1998), but neither was commercially successful.

Using a quote from the above article, answer the following question: What is Hiatus?
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Answer:
Eurythmics disbanded, although no formal notice was given.