Via Dominguez, a Vietnamese friend and helper, Fowler visits messrs Hou and Heng who show him drums with diolacton and a mould for bicycle-pumplike objects. Pyle comes along to Fowlers house to tell he wants to marry Phuong, but he is sent away by Fowler. He thinks it is to dangerous to do that. Fowler discovers Phuong has gone. He discusses Pyles behaviour at the American legation, but Pyle isn't present.
Fowler goes to the north, joining a bombing command doing dive-bombing.
It makes clear how cruel this is,also the captain realizes this. He hates doing it. After the raid they visit an opium and whore house. Fowler is to tired to do anything but smoke opium. Coming home at Saigon, the lonely Fowler meets Pyle in his apartment.