<s>
AN/SPQ	O
-9A	O
,	O
(	O
sometimes	O
pronounced	O
as	O
"	O
spook	O
nine	O
"	O
)	O
,	O
is	O
a	O
United	O
States	O
Navy	O
multi-purpose	O
surface	O
search	O
and	O
fire	B-Application
control	I-Application
radar	B-Application
used	O
with	O
the	O
Mk-86	O
gun	O
fire-control	B-Application
system	I-Application
(	O
MK86	O
GFCS	O
)	O
.	O
</s>
<s>
It	O
is	O
a	O
two	O
dimensional	O
surface-search	O
radar	B-Application
,	O
meaning	O
it	O
provides	O
only	O
range	O
and	O
bearing	O
but	O
not	O
elevation	O
.	O
</s>
<s>
It	O
can	O
however	O
,	O
also	O
detect	O
and	O
track	O
low	O
altitude	B-Application
(	O
below	O
2000ft	O
)	O
air	O
targets	O
.	O
</s>
