A female participant of the Bela Negara - "defend the nation" - programme applies camouflage face paint on another participant's face at a training centre in Rumpin, Bogor, West Java, Indonesia June 2, 2016. REUTERS/Darren Whiteside

Participants of the Bela Negara - "defend the nation" - programme raise an Indonesian flag at a training centre in Rumpin, Bogor, West Java, Indonesia June 2, 2016. REUTERS/Darren Whiteside

A military trainer helps a participant of the Bela Negara - "defend the nation" - programme with weapons familiarisation at a training centre in Rumpin, Bogor, West Java, Indonesia June 2, 2016. REUTERS/Darren Whiteside

Military trainers run participants of the Bela Negara - "defend the nation" - programme through drills at a training centre in Rumpin, Bogor, West Java, Indonesia June 2, 2016. REUTERS/Darren Whiteside

Participants of the Bela Negara - "defend the nation" - programme shout during morning exercise at a training centre in Rumpin, Bogor, West Java, Indonesia June 2, 2016. REUTERS/Darren Whiteside

Children watch participants of the Bela Negara - "defend the nation" - programme as they train at a training centre in Rumpin, Bogor, West Java, Indonesia June 2, 2016. REUTERS/Darren Whiteside