Introduced with Arma 2: Operation Arrowhead – Category

Features introduced with Arma 2: Operation Arrowhead may be recognised by the appearance of these icons: -wrong parameter ("oa") defined!-[[:Category:Introduced with oa version 1.51|1.51]] -wrong parameter ("oa") defined!-[[:Category:Introduced with oa version 1.52|1.52]] -wrong parameter ("oa") defined!-[[:Category:Introduced with oa version 1.52.72031|1.52.72031]] -wrong parameter ("oa") defined!-[[:Category:Introduced with oa version 1.54|1.54]] -wrong parameter ("oa") defined!-[[:Category:Introduced with oa version 1.55|1.55]] -wrong parameter ("oa") defined!-[[:Category:Introduced with oa version 1.57|1.57]] -wrong parameter ("oa") defined!-[[:Category:Introduced with oa version 1.60|1.60]] -wrong parameter ("oa") defined!-[[:Category:Introduced with oa version 1.62|1.62]] -wrong parameter ("oa") defined!-[[:Category:Introduced with oa version 1.63|1.63]]