Because of the distance - a thousand miles - they had no fighter escort.
They often flew through the night without the benefit of fighter escort.
Command won't risk them so far out without fighter escort.
Later it was found that day bombers required a fighter escort.
The first aircraft took off ten minutes ago with a fighter escort.
The American fighter escort had had its turn, he knew.
His aircraft waited on the ground for its usual fighter escort.
There were actually more than 20 He 111s without fighter escort.
The crew of the third £-767 was unhappy, and their fighter escorts even more so.
Now all the bombers were fleeing, and their fighter escort with them.