What costume should Rob wear for Halloween? (hahahahhahaha)

This Siri-siri Twilight foto contains beret hijau, pasukan khas, askar elit, elit askar, seragam, maklumat, pakaian pertempuran, and berpakaian tempur. There might also be berpakaian seorang, guaman, seluar guaman, pantsuit, orang baik berpakaian sut, penekan seluar, seragam pakaian penuh, full dress uniform, penuh pakaian seragam, tongam resimen, and regimentals.