David C. Hilmers

**David Carl Hilmers** (an haife shi a watan Janairu 28, 1950) tsohon dan sam jannati ne NASA wanda ya yi jigilar jiagen sama  guda huɗu. An haife shi a c clinton lowa, amma yana ɗaukar dewitt lowa  , a matsayin garinsa. Yana da 'ya'ya maza biyu da suka girma. Abubuwan nishaɗinsa sun haɗa da kunna piano, aikin lambu, kayan lantarki, ba da lokaci tare da danginsa, da kowane nau'in wasanni. Iyayensa sun rasu. Yana da digiri na ilimi biyar, shi ne dan sama jannatin Amurka na biyu mafi ilimi a hukumance.

## Ilimi

Ya sauke karatu daga Central Community High School a dewitt lowa , a 1968; ya sami digiri na farko na arts  a fannin lissafi ( daga Kwalejin Cornell a 1972, jagoran injiniya na lantarki  (tare da bambanci) a 1977, da digiri na Injiniyan Lantarki daga makarantar sakandire na naval  na Amurka a 1978. Ya sami digiri na doctor of medicine (MD) daga kwalejin kimiyya ta baylor a 1995 tare da girmamawa da jagoran kimiyya  a na kiwon lafiyar jama a   (MPH) daga Makarantar Kiwon Lafiyar Jama'a ta UHealth a Jami'ar Texas Health Science Center a Houston (UTHealth) ) a shekara ta 2002.

## Kwarewa
Hilmers ya shiga aiki tare da Rundunar Sojan Ruwa ta Amurka a cikin Yuli 1972. A lokacin da ya kammala Makarantar Basic School da Naval Flight Officer School, an sanya shi zuwa VMA (AW) -121 a Marine Corps Air Station Cherry Point, North Carolina, ya tashi da A-6 Intruder a matsayin mai bama-bamai-navigator. A cikin 1975, ya zama jami'in hulda da jiragen sama tare da Bataliya ta 1, Marines na 2, wanda ke tare da Jirgin Ruwa na Shida a Bahar Rum . Ya sauke karatu daga Makarantar Sakandare na Naval na Amurka a 1978 kuma daga baya aka sanya shi zuwa Wing na 1st Marine Aircraft Wing a tashar jirgin ruwan Marine Corps Iwakuni, Japan. An ajiye shi tare da 3rd Marine Aircraft Wing a Marine Corps Air Station El Toro, California, a lokacin da NASA ta zaba.

## aiki a NASA

An zaɓi Hilmers ɗan sama jannati NASA a watan Yuli 1980 kuma ya kammala lokacin horo na farko a cikin Agusta 1981. A cikin 1983 an zabe shi a matsayin memba na ma'aikatan jirage masu shirye-shiryen ƙaddamarwa. Ayyukansa na farko na NASA sun haɗa da aiki a kan matakan roka na sama kamar PAM, IUS, da Centaur, da kuma tabbatar da software na Shuttle a Laboratory Integration na Shuttle Avionics (SAIL). Bugu da ƙari, shi ne mai kula da horar da 'yan saman jannati Office, ya yi aiki a kan nau'o'in ma'aikatar tsaro daban-daban, ya yi aiki a matsayin mai sadarwa na sararin samaniya ( CAPCOM ) a Ofishin Jakadancin don , , STS-51-A, STS -51-C da , sun yi aiki da batutuwan tashar sararin samaniya don Ofishin 'Yan sama jannati, kuma sun yi aiki a matsayin shugaban Reshen Bunƙasa Ofishin Jakadancin a cikin Ofishin 'Yan sama jannati. A cikin Mayu 1985 an ba shi suna ga ma'aikatan jirgin na STS-61-F, wanda zai tura kumbon Ulysses a kan yanayin tsaka-tsakin duniya ta hanyar amfani da matakin sama na Centaur. Wannan manufa ta kasance a cikin watan Mayu 1986, amma an dakatar da aikin Shuttle Centaur a cikin Yuli 1986, sannan Hilmers ya yi aiki a fannonin haɓaka zubar da ciki, amincin biyan kuɗi, da software na jirgin ruwa. A lokacin 1987 ya shiga cikin horarwa don STS-26 da haɓaka software na jirgin sama. Daga baya ya zama shugaban reshen ci gaban Mishan a ofishin 'yan sama jannati.

Wani tsohon soja na jiragen sama hudu, ya shiga sama da sa'o'i 493 a sararin samaniya. Ya yi aiki a matsayin ƙwararren mishan akan STS-51-J (Oktoba 3–7, 1985), STS-26 (Satumba 29 zuwa Oktoba 3, 1988), STS-36 (Fabrairu 28 zuwa Maris 4, 1990), da STS- 42 (22-30 ga Janairu, 1992).

## Kwarewar jirgin sama
STS-51-J ''Atlantis'', a classified Department of Defense mission, launched from Kennedy Space Center, Florida, on October 3, 1985. This was the maiden voyage of the Orbiter *Atlantis*. Hilmers had prime responsibility for a number of on-orbit activities during the mission. After 98 hours of orbital operations, *Atlantis* landed at Edwards Air Force Base, California, on October 7, 1985.

## Manazarta