Then he served in the Aegean Army and Turkish military forces in Northern Cyprus in the early 1980s.

In the same year, he represented Turkey at the Adana Agreement, which regulated the Turkey-Syria relations.

[2] In 2012, Yalman talked about his role in preventing the "Sledgehammer" coup plan in 2003.

[3] In 2008, Yalman wrote the libretto for "Şehitler Oratoryosu" (Oratorio for the Martyred).

[4] Yalman died from complications of COVID-19 on 15 March 2020, aged 79,[5] three weeks after he had been in Iran, where the disease was prevalent.