Much adjacent land is under military control and has even been used as bombing ranges, rendering on-the-ground searches highly hazardous.

Highly hazardous in operation, a balloon could only be expected to last a fortnight before damage or destruction.

This laboratory will provide National Containment facility for safe handling of highly hazardous pathogens.

This aspect has been used in some cases to dispose of highly hazardous materials.

Regardless of the industry that uses these highly hazardous chemicals, there is a potential for an accidental release any time they are not properly controlled.

C-130s and C-7s also flew highly hazardous missions, dropping cargo on the dirt airstrip at the outpost.

Getting involved in a firefight in these circumstances was highly hazardous.

Even highly hazardous industrial sectors do not comply with such requirements.

In view of this, the committee stressed the need to restrict the availability of highly hazardous pesticides.

These missions were highly hazardous and usually flown without any escort.