8eb4e8a0_se_Security_Cooperation_Agency__Definition
[Term] Oral Proficiency Interview (OPI) [Link] N/A [Definition] 
English language test that rates English language speaking ability for international military students. Certain courses require an OPI test be taken and a specific OPI score to be met before an IMS can attend the course.
ESAMM Glossary | Defense Security Cooperation Agency
Definition