Royal Australian Navy's HMAS Arunta and HMAS Sirius conduct a passage exercise with Singapore's RSS Valiant & Supreme in SCS

#AusNavy's #HMASArunta & #HMASSirius conduct a passage ex with Singapore's RSS Valiant & Supreme in #southchinasea pic.twitter.com/ihqsgyz07E

— RoyalAustralianNavy (@Australian_Navy) October 19, 2015