Sentence examples for difficult to keep operational from inspiring English sources

On 23 August 1990, a squadron of Tornado GR1 interdictors were dispatched to the region as well, but the Tornado GR1 was difficult to keep operational due to heat.

"We honoured certain requests to keep operational details and the identity of the participants confidential," he wrote.

"It's difficult to keep veteran backups.

It's difficult to keep them straight.

It's very difficult to keep going".

It's difficult to keep calm.

PROMISES are easy to make, but difficult to keep.

"It would be difficult to keep that under wraps".

"But this will be difficult to keep alive.

Difficult to keep these two Americas in your mind.

Even so, it may prove difficult to keep unified support.