The only way to breach it physically would be an airborne assault.
As they attempt to leave, an airborne assault begins.
I'd look out for an airborne assault on either the gold or the oil fields.
The game had been going on ever since the announcement that the airborne assault was off for at least twenty-four hours.
By 24 May, all preparations for the airborne assault were complete.
But the situation was different in the 1941 airborne assault of Crete.
In the early fall of 1944 they began preparing for an airborne assault into occupied Holland.
He was to follow the operational plan and get the 82nd ready for an airborne assault to capture Berlin.
In some cases, it is used to refer to the airborne assault itself.
What did he expect, an airborne assault to free just one man?
