Possession of the higher ground to the south and east of Ypres gives ample scope for ground observation, Sanctuary Wood.
12.
More importantly, the February 1968 advent of AC-130 Spectre gunships with all their onboard electronic surveillance rendered ground observation largely obsolete.
13.
Possession of the higher ground to the south and east of the city, gives ample scope for ground observation, Sanctuary Wood.
14.
In 2013, an impact between minor planets was detected around the star NGC 2547 by Spitzer and confirmed by ground observations.
15.
Gaps were filled by additional Federal Aviation Administration ( FAA ) radar stations and the Ground Observation Corps ( disbanded 1959 ).
16.
He is using ground observations and satellite imagery to enhance the climate model of the National Center for Atmospheric Research in Boulder, Colo.
17.
Possession of the higher ground to the south and east of the city, gives ample scope for ground observation, enfilade fire and converging artillery-fire.
18.
Durst also removed a skylight from the plaza's plans; the skylight was designed to allow natural light to enter the below-ground observation deck lobby.
19.
Besides morphological ground observations, aerial and satellite photographs have been used to analyze how the landscape has evolved over the past 3, 000 years.
20.
Possession of the higher ground to the south and east of Ypres gives ample scope for ground observation, enfilade fire and converging artillery bombardments.