<s>
A	O
spacecraft	B-Language
command	I-Language
language	I-Language
(	O
or	O
satellite	O
control	O
language	O
,	O
spacecraft	O
control	O
language	O
,	O
Systems	O
Test	O
and	O
Operation	O
Language	O
(	O
STOL	O
)	O
,	O
Satellite	O
Test	O
and	O
Operation	O
Language	O
,	O
etc	O
.	O
)	O
</s>
<s>
is	O
a	O
computer	O
command	B-Language
language	I-Language
for	O
commanding	O
spacecraft	O
mission	O
systems	O
.	O
</s>
<s>
Spacecraft	B-Language
command	I-Language
languages	I-Language
are	O
typically	O
written	O
in	O
a	O
format	O
similar	O
to	O
human	O
languages	O
.	O
</s>
<s>
Some	O
spacecraft	B-Language
command	I-Language
languages	I-Language
,	O
such	O
as	O
SCL	O
or	O
PLEXIL	B-Language
,	O
can	O
be	O
executed	O
on	O
the	O
spacecraft	O
with	O
an	O
onboard	O
executive	O
.	O
</s>
<s>
The	O
following	O
examples	O
show	O
natural	O
language	O
CSTOL	B-Language
commands	O
and	O
the	O
lower-level	O
spacecraft	O
commands	O
they	O
are	O
translated	O
into	O
,	O
for	O
a	O
particular	O
spacecraft	O
.	O
</s>
<s>
The	O
first	O
two	O
examples	O
show	O
two	O
different	O
CSTOL	B-Language
commands	O
that	O
are	O
translated	O
into	O
the	O
same	O
spacecraft	O
command	O
,	O
indicating	O
that	O
this	O
spacecraft	O
command	O
takes	O
different	O
values	O
as	O
an	O
argument	O
.	O
</s>
<s>
In	O
the	O
last	O
example	O
,	O
the	O
CSTOL	B-Language
command	O
is	O
translated	O
to	O
another	O
CSTOL	B-Language
command	O
,	O
which	O
would	O
then	O
be	O
translated	O
into	O
a	O
spacecraft	O
command	O
in	O
still-human-readable	O
textual	O
format	O
.	O
</s>
<s>
CSTOL	B-Language
commandSpacecraft	O
command	O
(	O
text	O
format	O
,	O
probably	O
hex	O
)	O
Spacecraft	O
commands	O
may	O
be	O
uplinked	O
in	O
text	O
format	O
,	O
if	O
the	O
receiving	O
spacecraft	O
can	O
translate	O
them	O
.	O
</s>
<s>
As	O
noted	O
above	O
,	O
in	O
some	O
systems	O
spacecraft	O
can	O
accept	O
command	B-Language
language	I-Language
statements	O
as	O
well	O
,	O
and	O
perform	O
their	O
own	O
translation	O
.	O
</s>
<s>
•	O
CSTOL	B-Language
-	O
(	O
University	O
of	O
)	O
Colorado	O
System	O
Test	O
and	O
Operations	O
Language	O
,	O
University	O
of	O
Colorado.Field	O
,	O
Thomas	O
C.	O
,	O
submitter	O
,	O
"	O
Geoscience	O
Laser	O
Altimeter	O
System	O
Integration	O
and	O
Test	O
Plan	O
"	O
,	O
NASA	O
GSFC	O
GLAS	O
CMO	O
,	O
document	O
GLAS-568-PLAN-001	O
,	O
22	O
March	O
1999	O
,	O
acronym	O
list	O
p	O
.	O
1	O
,	O
PDF	O
p	O
.	O
81	O
.	O
</s>
<s>
•	O
PLEXIL	B-Language
-	O
Plan	B-Language
Execution	I-Language
Interchange	I-Language
Language	I-Language
,	O
NASA	O
Ames	O
Research	O
Center	O
.	O
</s>
<s>
•	O
Timeliner‑TLX	O
-	O
Command	B-Language
language	I-Language
and	O
executive	O
used	O
on	O
the	O
International	O
Space	O
Station	O
,	O
developed	O
by	O
Draper	O
Lab	O
and	O
NASA-JSC.Brown	O
,	O
et	O
al.	O
,	O
"	O
Timeliner	O
:	O
Automating	O
Procedures	O
on	O
the	O
ISS	B-Device
"	O
,	O
Draper	O
Lab	O
,	O
NASA-JSC	O
,	O
conference	O
paper	O
,	O
World	O
Space	O
Conference	O
,	O
Houston	O
,	O
Texas	O
,	O
09	O
October	O
2002.Draper	O
Laboratory	O
,	O
"	O
Draper	O
Lab	O
Brings	O
A	O
New	O
Age	O
of	O
Automation	O
to	O
the	O
International	O
Space	O
Station	O
"	O
,	O
press	O
release	O
,	O
11	O
October	O
2002	O
.	O
</s>
<s>
•	O
SCL	O
-	O
Spacecraft	B-Language
Command	I-Language
Language	I-Language
,	O
Interface	O
Control	O
Systems	O
,	O
Inc.Mims	O
,	O
Tikiela	O
L.	O
,	O
"	O
Use	O
of	O
Spacecraft	B-Language
Command	I-Language
Language	I-Language
for	O
Advanced	O
Command	O
and	O
Control	O
Applications	O
"	O
,	O
NASA	O
KSC	O
Technical	O
Report	O
number	O
KSC-2008-288	O
,	O
21	O
September	O
2008	O
,	O
p	O
.	O
1.Interface	O
Control	O
Systems	O
(	O
archived	O
)	O
.	O
</s>
<s>
"	O
Spacecraft	B-Language
Command	I-Language
Language	I-Language
(	O
SCL	O
)	O
"	O
,	O
company	O
web	O
page	O
.	O
</s>
<s>
•	O
Auspice-TLX	O
-	O
Commercial	O
version	O
of	O
ISS	B-Device
Timeliner-TLX	O
developed	O
under	O
license	O
by	O
Auspice	O
Corp.	O
,	O
possibly	O
defunct	O
.	O
</s>
