<s>
The	O
Northrop	O
Grumman	O
AN/APG	B-Device
-83	I-Device
Scalable	B-Device
Agile	I-Device
Beam	I-Device
Radar	I-Device
(	O
SABR	O
)	O
is	O
a	O
full-performance	O
fire	O
control	O
radar	O
for	O
the	O
General	O
Dynamics	O
F-16	O
Fighting	O
Falcon	O
and	O
other	O
aircraft	O
.	O
</s>
<s>
SABR	O
is	O
a	O
multi-function	O
active	B-Architecture
electronically	I-Architecture
scanned	I-Architecture
array	I-Architecture
(	O
AESA	B-Architecture
)	O
radar	O
.	O
</s>
<s>
In	O
a	O
2013	O
competition	O
,	O
Lockheed	O
Martin	O
selected	O
SABR	O
as	O
the	O
AESA	B-Architecture
radar	I-Architecture
for	O
the	O
F-16	O
modernization	O
and	O
update	O
programs	O
of	O
the	O
United	O
States	O
Air	O
Force	O
and	O
Republic	O
of	O
China	O
(	O
Taiwan	O
)	O
Air	O
Force	O
.	O
</s>
<s>
The	O
capabilities	O
of	O
this	O
advanced	O
AESA	B-Architecture
are	O
derived	O
from	O
the	O
F-22	O
'	O
s	O
APG-77	B-Algorithm
and	O
the	O
F-35	O
'	O
s	O
APG-81	B-Device
.	O
</s>
<s>
In	O
January	O
2014	O
,	O
Singapore	O
ordered	O
70	O
AN/APG	B-Device
-83	I-Device
SABR	O
for	O
its	O
60	O
F-16C/D/G	O
+	O
Block	O
52	O
upgrade	O
,	O
in	O
a	O
$2.43	O
billion	O
deal	O
.	O
</s>
<s>
A	O
derivative	O
of	O
the	O
AN/APG	B-Device
-83	I-Device
SABR	O
,	O
SABR-GS	B-Device
(	O
Global	O
Strike	O
)	O
will	O
be	O
retrofitted	O
to	O
airworthy	O
Rockwell	O
B-1	O
Lancer	O
airframes	O
beginning	O
in	O
2016	O
.	O
</s>
<s>
The	O
US	O
Air	O
Force	O
is	O
installing	O
the	O
AN/APG	B-Device
-83	I-Device
SABR	O
on	O
608	O
of	O
its	O
F-16C/D	O
Block	O
40/42	O
and	O
F-16C/D	O
50/52	O
fighters	O
.	O
</s>
