Sentence:  When SGT Mclntyre Jr., loader, and SP4 Bologna, driver, had to leave to <WSD>outprocess</WSD>, SP4 Humphrey and SP4 Kemp were substituted as driver and loader and the crew went on to finish a perfect run, according to the company commander. 
Meaning of the word marked with <WSD> tags:  To complete the required processes and paperwork in order to end a military tour of duty.