1.   American policymakers are concerned that any information that improves the reliability of the commercial launches could do the same for military missiles.

2.   Besides Cape Canaveral and Vandenberg, a site on Wallops Island, in Virginia, has been licensed by the FAA for commercial launches.

3.   All three are still in service for a variety of commercial launches, and even for some NASA interplanetary launches.

4.   But if the accidents continue, the commercial launches and the ambitious space projects which are supposed to follow could all collapse.

5.   But the increasing number of commercial launches is expected to return this figure to something near its old level in the next three years.

6.   But without income from the commercial launch program there would be no money to pursue these grandiose aims.

7.   Five years ago, the Arizona Space Commission began floating the idea of turning the base into a commercial launch facility.

8.   It is aiming for more widespread testing in April and a commercial launch in May, sources said.

9.   Meanwhile, Lockheed Martin is pitching exclusivity to commercial launch customers.

10.   Most of that heavy-lift commercial launch business now goes to France, China and Russia.

a. + launch >>共 281
first 6.06%
commercial 5.21%
successful 5.21%
official 4.99%
new 3.40%
planned 3.29%
accidental 2.55%
failed 2.13%
future 1.91%
second 1.91%
commercial + n. >>共 937
flight 3.37%
aircraft 2.01%
service 1.69%
use 1.69%
airline 1.51%
success 1.29%
interest 1.28%
development 1.19%
activity 1.19%
satellite 1.15%
launch 0.33%
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