<s>
The	O
Mars	B-Algorithm
Orbiter	I-Algorithm
Camera	I-Algorithm
and	O
Mars	B-Algorithm
Observer	I-Algorithm
Camera	I-Algorithm
(	O
MOC	O
)	O
were	O
scientific	O
instruments	O
on	O
board	O
the	O
Mars	B-Application
Observer	O
and	O
Mars	B-Application
Global	O
Surveyor	O
spacecraft	O
.	O
</s>
<s>
Originally	O
named	O
Mars	B-Algorithm
Observer	I-Algorithm
Camera	I-Algorithm
,	O
it	O
was	O
selected	O
by	O
NASA	O
in	O
1986	O
for	O
the	O
Mars	B-Application
Observer	O
mission	O
,	O
but	O
it	O
returned	O
only	O
three	O
images	O
of	O
planet	O
Mars	B-Application
before	O
the	O
loss	O
of	O
the	O
spacecraft	O
in	O
1993	O
.	O
</s>
<s>
A	O
second	O
camera	O
of	O
the	O
same	O
specifications	O
,	O
renamed	O
to	O
Mars	B-Algorithm
Orbiter	I-Algorithm
Camera	I-Algorithm
(	O
MOC	O
)	O
,	O
was	O
built	O
(	O
with	O
assistance	O
by	O
California	O
Institute	O
of	O
Technology	O
)	O
and	O
launched	O
on	O
board	O
the	O
Mars	B-Application
Global	O
Surveyor	O
(	O
MGS	O
)	O
spacecraft	O
in	O
1996	O
.	O
</s>
<s>
The	O
camera	O
returned	O
243,668	O
images	O
while	O
in	O
orbit	O
around	O
Mars	B-Application
,	O
before	O
the	O
loss	O
of	O
the	O
MGS	O
spacecraft	O
in	O
2006	O
.	O
</s>
<s>
Mars	B-Algorithm
Orbiter	I-Algorithm
Camera	I-Algorithm
was	O
operated	O
by	O
its	O
manufacturer	O
,	O
Malin	O
Space	O
Science	O
Systems	O
,	O
from	O
its	O
facilities	O
in	O
San	O
Diego	O
,	O
California	O
.	O
</s>
<s>
The	O
scientific	O
instrument	O
consisted	O
of	O
three	O
elements	O
:	O
a	O
black-and-white	O
narrow-angle	O
camera	O
with	O
a	O
spatial	O
resolution	O
of	O
1.4	O
metres	O
per	O
pixel	B-Algorithm
(	O
from	O
an	O
altitude	O
of	O
378km	O
)	O
,	O
and	O
two	O
pushbroom	O
wide-angle	O
cameras	O
(	O
one	O
red	O
,	O
the	O
other	O
blue	O
)	O
with	O
resolution	O
capabilities	O
spanning	O
230	O
m	O
per	O
pixel	B-Algorithm
to	O
7.5km/pixel	O
.	O
</s>
<s>
The	O
narrow-angle	O
camera	O
provided	O
97,097	O
(	O
roughly	O
40%	O
)	O
of	O
the	O
243,668	O
images	O
returned	O
by	O
Mars	B-Algorithm
Orbiter	I-Algorithm
Camera	I-Algorithm
.	O
</s>
<s>
All	O
cameras	O
were	O
based	O
on	O
CCD	B-Algorithm
technology	O
and	O
were	O
supported	O
by	O
state-of-the-art	O
1980s	O
electronics	O
,	O
including	O
a	O
32-bit	O
radiation-hardened	O
10	O
MHz	O
processor	O
(	O
capable	O
of	O
1	O
million	O
instructions	O
per	O
second	O
)	O
and	O
12	O
MB	O
of	O
DRAM	O
memory	O
buffer	O
.	O
</s>
<s>
In	O
addition	O
to	O
taking	O
images	O
,	O
the	O
MOC	O
instrument	O
's	O
12	O
MB	O
memory	O
buffer	O
serviced	O
the	O
Mars	B-Application
Global	O
Surveyor	O
's	O
Mars	B-Application
Relay	O
antenna	O
as	O
temporary	O
data	O
storage	O
for	O
communications	O
between	O
Earth	O
and	O
landed	O
spacecraft	O
on	O
Mars	B-Application
.	O
</s>
<s>
For	O
example	O
,	O
more	O
than	O
7.6	O
terabits	O
of	O
data	O
were	O
transferred	O
to	O
and	O
from	O
the	O
Mars	B-Application
Exploration	O
Rovers	O
(	O
Spirit	O
and	O
Opportunity	O
)	O
.	O
</s>
