Nigerian troops were also reported to be guarding key installations in the capital, Freetown.

At 0200 on the 31st the sappers would emerge from hiding to destroy key installations in the City.

The initial report said that four key installations had been identified for intrusive data collection.

If everything checks out and we've not been detected, then I'll authorize a low-orbit pass over the key installations.

Oil platforms are key fixed installations from which drilling and production activity is carried out.

Although troops have been withdrawn from the center of Rangoon, diplomats said they continued to guard key installations.

Their role was basically to serve as occupation forces securing cities, key installations and transportation arteries.

Proper motivation should help, but until we could set our program in motion, key installations had to be protected.

The purported reason of the intervention was to secure key installations.

On 26 May, incoming international forces began securing key installations in the country.