Player Embed Code: Download Embed Share Cpl. Ethan Allen reflects on his CIOR MILCOMP experience U.S. Army Reserve Command Jan. 23, 2023 | 0:29 Cpl. Ethan Allen, U.S. Army Reserve Medical Command, reflects on his experience during the Interallied Confederation of Reserve Officers Military Competition (CIOR MILCOMP). This competition is an annual reserve military competition with NATO member states and other participating nations with 34 countries in total, representing 1.3 million reservists. The MILCOMP, which has been held since 1957, is a military pentathlon testing service members in pistol and rifle marksmanship, land and water obstacles and orienteering.