 Complete the following phrase:  Two years after his dismissal as Army Chief of Staff following the show of force known as the 17 October 1952 incident, General Abdul Haris Nasution established IPKI as an army front organization along with other military figures such as Gatot Soebroto and Azis Saleh, and with the support of the Yogyakarta sultanate. The party proposed a return to the spirit of the 