<s>
TNet	B-General_Concept
is	O
a	O
secure	O
top-secret-level	B-Application
intranet	B-General_Concept
system	O
in	O
the	O
White	B-Application
House	I-Application
,	O
notably	O
used	O
to	O
record	O
information	O
about	O
telephone	O
and	O
video	O
calls	O
between	O
the	O
President	O
of	O
the	O
United	O
States	O
and	O
other	O
world	O
leaders	O
.	O
</s>
<s>
TNet	B-General_Concept
is	O
connected	O
to	O
Joint	B-General_Concept
Worldwide	I-General_Concept
Intelligence	I-General_Concept
Communications	I-General_Concept
System	I-General_Concept
(	O
JWICS	B-General_Concept
)	O
,	O
which	O
is	O
used	O
more	O
widely	O
across	O
different	O
offices	O
in	O
the	O
White	B-Application
House	I-Application
.	O
</s>
<s>
Contained	O
within	O
TNet	B-General_Concept
is	O
an	O
even	O
more	O
secure	O
system	O
known	O
as	O
NSC	B-General_Concept
Intelligence	I-General_Concept
Collaboration	I-General_Concept
Environment	I-General_Concept
(	O
NICE	O
)	O
.	O
</s>
<s>
The	O
NSC	B-General_Concept
Intelligence	I-General_Concept
Collaboration	I-General_Concept
Environment	I-General_Concept
(	O
NICE	O
)	O
is	O
a	O
computer	O
system	O
operated	O
by	O
the	O
United	O
States	O
National	O
Security	O
Council	O
's	O
Directorate	O
for	O
Intelligence	O
Programs	O
.	O
</s>
<s>
A	O
subdomain	O
of	O
TNet	B-General_Concept
,	O
it	O
was	O
created	O
to	O
enable	O
staff	O
to	O
produce	O
and	O
store	O
documents	O
,	O
such	O
as	O
presidential	O
findings	O
or	O
decision	O
memos	O
,	O
on	O
top	B-Application
secret	I-Application
codeword	O
activities	O
.	O
</s>
