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]]