It's a long flight from Buka to Rabaul.
You know their is going to be enemy there. The bombers are under attack. You somehow survive the initial engagement, even manage to shoot down an enemy plane.
You try to regroup, more enemy trickle in. They've mustered a second wave of defenders, they start to outnumber you. Then the unthinkable, damage from an unseen enemy. Your left wing has been shot in half by 20mm cannon shells.
It's a long flight from Rabaul to Buka.