Persuaded by security members that the situation was hopeless, SENIOR AIRMAN (SRA), Charles Allen, USAF, lowers his a 5.56mm M16A2 assault rifle to the ground, and holds on to SRA, Tom Arriso, USAF, 51ST Transportation Squadron. SRA Allen and Arriso are participating in a hostile take over exercise during the Initial Response Readiness Exercise/Combat Employment Readiness Exercise (IRRE/CERE), at Osan AB, Korea