SURABAYA (25 April 2021) – Social Minister Tri Rismaharini provides compensation for the heirs of the KRI Nanggala 402 Submarine tragedy worth IDR 15,000,000 to Mrs. Marta, the wife of Kopda (Second Corporal) Dirgantara Nugroho Putranto, who leaves a 4.5-year-old son from Surabaya.