The Oiler is an AI Enemy or Ally. It's appears in Missions 1 for US and IJN. The First Stage of the IJN has 2 Oilers in the first stage, and the US has 3. They also appear in the second stage in German.
Main Battery Slots: 2 (?)
Secondary Battery Slots: 2 (?)
Torpedoes: N/A
Depth Charges: N/A
Camo: N/A
Affiliation: AI
Class: Fleet Oiler