RIMBA AIR FORCE BASE, WEDNESDAY, 10 SEPT 2025 — 11 Squadron, No. 1 Wing, Operations Group, Royal Brunei Air Force (RBAirF) and the Brunei Helicopter Detachment (BHD) Republic of Singapore Air Force (RSAF) executed an unprecedented mixed formation sortie comprising of two S-70i Blackhawk RBAirF and two H225M RSAF helicopters in a Arrowhead and Diamond 4-ship formation. The sortie formation aims to strengthen aircrew coordination, tactical confidence and combined interoperability.