 Nyorai kupfuurira kweiyi ndima - Pashure pokupedza kufunda paFlorida AM University, General Calhoun akanyoresa soMumwe Murwi muFlorida Army National Guard muna August 1977. Mushure memakore matanhatu ekuzorora mubasa, akagamuchira komisheni yakananga uye kugadzwa kuna 1st Lieutenant muMedical Service Corps musi waChikunguru 22, 1989. Mabasa ake anotevera anosanganisira Mukuru wePharmacy Services, 131st Mobile Army Surgical Hospital MASH; Executive Officer, 131st MASH; Logistics Officer, 50th Area Support Group ASG; Director, Host Nations Support, 50th ASG uye Director, Support Operations, 50th ASG. General Calhoun akaiswa pamwe ne50th ASG muna 2003 seMutungamiriri we Host Nations Support panguva yeOperation Iraqi Freedomuye akashanda seMutevedzeri weMutungamiri, Task Force FL muMississippi panguva yeHurricane Katrina. 