input: 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.

Answer this question "When did he join the military?"
output: Sullenberger was appointed to the United States Air Force Academy, entering with the Class of 1973 in June 1969.

input: Conrad was a Russian subject, having been born in the Russian part of what had once been the Polish-Lithuanian Commonwealth. In December 1867, with the Russian government's permission, his father Apollo had taken him to the Austrian part of the former Commonwealth, which enjoyed considerable internal freedom and a degree of self-government. After the father's death, Conrad's uncle Bobrowski had attempted to secure Austrian citizenship for him - to no avail, probably because Conrad had not received permission from Russian authorities to remain abroad permanently and had not been released from being a Russian subject. Conrad could not return to Ukraine, in the Russian Empire - he would have been liable to many years' military service and, as the son of political exiles, to harassment. In a letter of 9 August 1877, Conrad's uncle Bobrowski broached two important subjects: the desirability of Conrad's naturalisation abroad (tantamount to release from being a Russian subject) and Conrad's plans to join the British merchant marine. "[D]o you speak English?... I never wished you to become naturalized in France, mainly because of the compulsory military service... I thought, however, of your getting naturalized in Switzerland..." In his next letter, Bobrowski supported Conrad's idea of seeking citizenship of the United States or of "one of the more important Southern Republics". Eventually Conrad would make his home in England. On 2 July 1886 he applied for British nationality, which was granted on 19 August 1886. Yet, in spite of having become a subject of Queen Victoria, Conrad had not ceased to be a subject of Tsar Alexander III. To achieve the latter, he had to make many visits to the Russian Embassy in London and politely reiterate his request. He would later recall the Embassy's home at Belgrave Square in his novel The Secret Agent. Finally, on 2 April 1889, the Russian Ministry of Home Affairs released "the son of a Polish man of letters, captain of the British merchant marine" from the status of Russian subject.

Answer this question "Did he ever serve in the military?"
output:

input: At Eric Clapton's suggestion, the brothers moved to Miami, Florida, early in 1975 to record. After starting off with ballads, they eventually heeded the urging of Mardin and Stigwood, and crafted more dance-oriented disco songs, including their second US No. 1, "Jive Talkin'", along with US No. 7 "Nights on Broadway". The band liked the resulting new sound. This time the public agreed by sending the LP Main Course up the charts. This album included the first Bee Gees songs wherein Barry used falsetto, something that would later become a trademark of the band. This was also the first Bee Gees album to have two US top-10 singles since 1968's Idea. Main Course also became their first charting R&B album. On the Bee Gees' appearance on The Midnight Special in 1975, to promote Main Course, they sang "To Love Somebody" with Helen Reddy. Around the same time, the Bee Gees recorded three Beatles covers--"Golden Slumbers/Carry That Weight", "She Came in Through the Bathroom Window" with Barry providing lead vocals, and "Sun King" with Maurice providing lead vocals, for the unsuccessful musical/documentary All This and World War II. The next album, Children of the World released in September 1976, was drenched in Barry's new-found falsetto and Weaver's synthesizer disco licks. Mardin was unavailable to produce, so the Bee Gees enlisted Albhy Galuten and Karl Richardson, who had worked with Mardin during the Main Course sessions. This production team would carry the Bee Gees through the rest of the 1970s. The first single from the album was "You Should Be Dancing" (which features percussion work by musician Stephen Stills). The song pushed the Bee Gees to a level of stardom they had not previously achieved in the US, though their new R&B/disco sound was not as popular with some die hard fans. The pop ballad "Love So Right" reached No. 3 in the US, and "Boogie Child" reached US No. 12 in January 1977. The album peaked at No. 8 in the US. A compilation Bee Gees Gold was released in November, containing the group's hits from 1967 to 1972.

Answer this question "what happened next?"
output:
On the Bee Gees' appearance on The Midnight Special in 1975, to promote Main Course, they sang "To Love Somebody" with Helen Reddy.