<s>
The	O
AN/APG	B-Device
-78	I-Device
Longbow	I-Device
is	O
a	O
millimeter-wave	O
fire-control	O
radar	O
(	O
FCR	O
)	O
system	O
for	O
the	O
AH-64D/E	O
Apache	O
attack	O
helicopter	O
.	O
</s>
<s>
The	O
AN/APG	B-Device
-78	I-Device
Longbow	I-Device
is	O
a	O
millimeter-wave	O
fire-control	O
radar	O
(	O
FCR	O
)	O
target	O
acquisition	O
system	O
and	O
the	O
Radar	O
Frequency	O
Interferometer	O
(	O
RFI	O
)	O
,	O
which	O
are	O
housed	O
in	O
a	O
dome	O
located	O
above	O
the	O
main	O
rotor	O
.	O
</s>
<s>
The	O
APG-78	B-Device
is	O
capable	O
of	O
simultaneously	O
tracking	O
up	O
to	O
128	O
targets	O
and	O
engaging	O
up	O
to	O
16	O
at	O
once	O
;	O
an	O
attack	O
can	O
be	O
initiated	O
within	O
30	O
seconds	O
.	O
</s>
<s>
A	O
radio	O
modem	B-Application
integrated	O
with	O
the	O
sensor	O
suite	O
allows	O
data	O
to	O
be	O
shared	O
with	O
ground	O
units	O
and	O
other	O
Apaches	O
,	O
allowing	O
them	O
to	O
fire	O
on	O
targets	O
detected	O
by	O
a	O
single	O
helicopter	O
.	O
</s>
<s>
The	O
updated	O
AN/APG	B-Device
-78	I-Device
radar	O
for	O
the	O
AH-64E	O
Guardian	O
has	O
overwater	O
capabilities	O
,	O
potentially	O
enabling	O
naval	O
strikes	O
.	O
</s>
