On second stamp is Battleship KRI Banda Aceh 593. Serves primarily as a command and multirole vessel able to transport approx. 500 troops or 13 tanks, plus two 23m LCUs.
On third stamp is Anoa, a 6x6 armoured personnel carrier developed by PT Pindad of Indonesia. The vehicle is named after the Anoa, which is a type of buffalo indigenous to Indonesia.
Thank you Siti!