1.   A number of its surveillance jets have been patrolling U.S. skies since October and will continue their missions indefinitely.

2.   Then Hagelthorn and his crew heard a warning from a U.S. AWACS surveillance jet monitoring the vicinity.

3.   To better monitor the dispute, the Pentagon dispatched two warships and surveillance combat jets to the area from their bases in Japan.

4.   AWACS surveillance aircraft direct jets by providing intelligence on specific targets, Fitzgerald said.

5.   NATO has also sent a surveillance jet to provide early alert against a possible terrorist attack from the air.

6.   NATO has also sent a surveillance jet.

7.   NATO sent an AWACS surveillance jet.

8.   NATO sent a surveillance jet.

9.   Surveillance jets swoop over it.

10.   There were combat jets and ground-to-air missiles and warships off the coast and NATO sent a surveillance jet.

n. + jet >>共 149
fighter 53.25%
passenger 10.43%
business 5.50%
government 3.77%
water 2.10%
cargo 2.04%
attack 1.99%
opposition 1.52%
alliance 1.26%
charter 1.10%
surveillance 0.52%
surveillance + n. >>共 180
camera 18.12%
plane 11.63%
system 8.75%
flight 7.70%
equipment 5.76%
aircraft 4.09%
mission 3.09%
tape 2.72%
operation 2.67%
videotape 1.73%
jet 0.52%
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