<s>
Ground	B-Algorithm
radar	I-Algorithm
(	O
cf	O
.	O
</s>
<s>
airborne	O
radar	O
system	O
)	O
is	O
a	O
radar	O
positioned	O
on	O
the	O
ground	O
and	O
used	O
for	O
air	O
defense	O
(	O
e.g.	O
,	O
ground-controlled	O
interception	O
)	O
,	O
command	O
guidance	O
(	O
e.g.	O
,	O
ground-directed	O
bombing	O
)	O
,	O
air	B-Application
traffic	I-Application
control	I-Application
(	O
i.e.	O
,	O
radar	O
control	O
)	O
,	O
instrument	O
landing	O
systems	O
,	O
radar	O
bomb	O
scoring	O
,	O
etc	O
..	O
</s>
<s>
Ground	B-Algorithm
radar	I-Algorithm
may	O
refer	O
to	O
:	O
</s>
