<s>
The	O
AN/AWG	O
-9	O
and	O
AN/APG	O
-71	O
radars	O
are	O
all-weather	O
,	O
multi-mode	O
X	B-Algorithm
band	I-Algorithm
pulse-Doppler	B-Algorithm
radar	I-Algorithm
systems	O
used	O
in	O
the	O
F-14	B-Device
Tomcat	I-Device
,	O
and	O
also	O
tested	O
on	O
TA-3B	O
.	O
</s>
<s>
It	O
is	O
a	O
long-range	O
air-to-air	O
system	O
capable	O
of	O
guiding	O
several	O
AIM-54	O
Phoenix	O
or	O
AIM-120	O
AMRAAM	O
missiles	O
simultaneously	O
,	O
using	O
its	O
track	B-Algorithm
while	I-Algorithm
scan	I-Algorithm
mode	O
.	O
</s>
<s>
The	O
AN/AWG	O
-9	O
offers	O
multiple	O
air-to-air	O
modes	O
:	O
long-range	O
continuous-wave	B-Algorithm
radar	I-Algorithm
velocity	O
search	O
,	O
range-while-search	O
at	O
shorter	O
ranges	O
,	O
and	O
an	O
airborne	O
track-while-scan	B-Algorithm
mode	I-Algorithm
with	O
the	O
ability	O
to	O
track	O
up	O
to	O
24	O
airborne	O
targets	O
,	O
display	O
18	O
of	O
them	O
on	O
the	O
cockpit	O
displays	O
,	O
and	O
launch	O
against	O
6	O
of	O
them	O
at	O
the	O
same	O
time	O
.	O
</s>
<s>
Their	O
first	O
attempt	O
was	O
the	O
F6D	O
Missileer	O
,	O
which	O
combined	O
Westinghouse	O
's	O
AN/APQ	O
-81	O
pulse	B-Algorithm
doppler	I-Algorithm
radar	I-Algorithm
with	O
the	O
Bendix	O
AAM-N-10	O
Eagle	O
missile	O
.	O
</s>
<s>
The	O
Rapier	O
had	O
much	O
better	O
performance	O
than	O
the	O
Missileer	O
,	O
although	O
its	O
AIM-47	O
Falcon	O
and	O
AN/ASG	B-Device
-18	I-Device
radar	O
,	O
both	O
from	O
Hughes	O
,	O
were	O
somewhat	O
less	O
advanced	O
than	O
their	O
Navy	O
counterparts	O
.	O
</s>
<s>
Hughes	O
suggested	O
that	O
the	O
AN/ASG	B-Device
-18	I-Device
and	O
AIM-47	O
could	O
be	O
adapted	O
for	O
the	O
Navy	O
in	O
slightly	O
modified	O
form	O
,	O
adding	O
additional	O
tracking	O
capability	O
while	O
reducing	O
the	O
size	O
of	O
the	O
radar	O
antenna	O
to	O
a	O
size	O
more	O
suitable	O
for	O
carrier	O
aircraft	O
.	O
</s>
<s>
At	O
the	O
same	O
time	O
,	O
real-world	O
combat	O
over	O
Vietnam	O
was	O
proving	O
that	O
the	O
idea	O
of	O
the	O
all-missile	O
fighter	O
was	O
simply	O
not	O
viable	O
,	O
and	O
any	O
fighter	O
design	O
would	O
have	O
to	O
be	O
able	O
to	O
dogfight	B-Device
with	O
guns	O
,	O
which	O
the	O
F-111	O
was	O
simply	O
not	O
suited	O
to	O
.	O
</s>
