Rubuta ci gaba ga wannan sakin layi - Carlos A. Waite ya shiga rundunar sojan Amurka a matsayin 3rd laftanan sojan sama, 28 Janairu 1820, ya zama 1st laftanan, 1 ga Mayu 1828, kuma kyaftin, 3 Yuli 1836. Daga 7 ga Yuli 1838 zuwa 8 ga Mayu 1845, ya kasance kyaftin da mataimakin kwastam. An nada shi babban jami'in na 8 na Amurka, 16 Fabrairu 1847, kuma ya yi aiki a cikin yakin Mexican-American, yana karɓar takardun shaida na Lieutenant Colonel, 20 Agusta 1847, don halin kirki da kyawawan halaye a Contreras da Churubusco
, kuma Kanar, 8 ga Satumba, 1847, don halin kirki da kyawawan halaye a Molino del Rey, inda aka yi masa mummunan rauni. An sanya shi Lieutenant Colonel na 5th US Infantry a ranar 10 ga Nuwamba 1851, kuma colonel na 1st US Infantry a ranar 5 ga Yuni 1860. A ranar 19 ga Fabrairun 1861, Waite ya maye gurbin Brevet Major General David E. Twiggs a matsayin kwamandan Ma'aikatar Texas yayin da Twiggs ya mika sashen ga 'yan Confederates a farkon abin da zai zama Yaƙin Basasa na Amurka (Twiggs daga baya za a ba shi izini a cikin Sojojin Tarayyar Amurka). Waite ya umurci sashen har sai an soke shi a hukumance daga baya a 1861. Bayan ya koma gabas sai ya umurci rundunar soja a Annapolis, Maryland. A shekara ta 1864 an sanya shi a cikin jerin sunayen da aka yi ritaya, saboda rashin lafiya, kuma ya zauna a Plattsburgh har zuwa mutuwarsa. Bayan yakin an ba shi takardar shaidar Brigadier General, wanda ya koma ranar 13 ga Maris, 1865, don dogon lokaci da aminci a cikin sojojin Amurka; duk da haka ba a bayar da tabbacin ba kafin mutuwarsa.