Rubuta ci gaba don wannan sakin layi - Da farko kamfanin ya mai da hankali kan ayyukan don gwamnatin Amurka da ke da alaƙa da makamashin nukiliya da shirye-shiryen nazarin tasirin makamai. An canza sunan kamfanin zuwa Science Applications International Corporation (SAIC) yayin da ya faɗaɗa ayyukansa. Manyan ayyuka a lokacin aikin Beyster sun haɗa da aiki kan maganin radiation don Los Alamos National Laboratory; goyon bayan fasaha da taimakon gudanarwa ga ci gaban makami mai linzami a cikin 1970s; tsabtace tashar samar da makamashin nukiliya ta Three Mile Island bayan babban hatsarinsa
, da kuma gurɓataccen al'umma na Love Canal; zane da kimantawa na Stars & Stripes 87, jirgin da ya lashe gasar cin kofin Amurka ta 1987; da kuma zane na na'urar duba kaya ta farko don wuce sabbin gwaje-gwajen Hukumar Kula da Jiragen Sama ta Tarayya bayan harin ta'addanci na jirgin Pan American na 103 a kan Lockerbie, Scotland.