<s>
The	O
Navy	B-Application
Global	I-Application
Environmental	I-Application
Model	I-Application
(	O
NAVGEM	B-Application
)	O
is	O
a	O
global	O
numerical	O
weather	O
prediction	O
computer	O
simulation	O
run	O
by	O
the	O
United	O
States	O
Navy	O
's	O
Fleet	O
Numerical	O
Meteorology	O
and	O
Oceanography	O
Center	O
.	O
</s>
<s>
Along	O
with	O
the	O
NWS	O
's	O
Global	O
Forecast	O
System	O
,	O
which	O
runs	O
out	O
to	O
16	O
days	O
,	O
the	O
ECMWF	O
's	O
Integrated	B-Application
Forecast	I-Application
System	I-Application
(	O
IFS	O
)	O
and	O
the	O
CMC	O
's	O
Global	B-Application
Environmental	I-Application
Multiscale	I-Application
Model	I-Application
(	O
GEM	O
)	O
,	O
both	O
of	O
which	O
run	O
out	O
10	O
days	O
,	O
and	O
the	O
UK	O
Met	O
Office	O
's	O
Unified	B-Application
Model	I-Application
,	O
which	O
runs	O
out	O
to	O
7	O
days	O
,	O
it	O
is	O
one	O
of	O
five	O
synoptic	O
scale	O
medium-range	O
models	O
in	O
general	O
use	O
.	O
</s>
<s>
The	O
NAVGEM	B-Application
became	O
operational	O
in	O
February	O
2013	O
,	O
replacing	O
the	O
NOGAPS	O
.	O
</s>
