<s>
The	O
UNIVAC	O
Athena	B-Device
computer	I-Device
calculated	O
ground	O
commands	O
to	O
transmit	O
to	O
the	O
HGM-25A	O
Titan	O
I	O
intercontinental	O
ballistic	O
missile	O
(	O
ICBM	O
)	O
as	O
part	O
of	O
Western	O
Electric	O
's	O
missile	O
guidance	O
system	O
.	O
</s>
<s>
The	O
Athena	O
used	O
a	O
Harvard	B-Architecture
architecture	I-Architecture
design	O
with	O
separate	O
data	O
and	O
instruction	O
memories	O
by	O
Seymour	O
Cray	O
at	O
Sperry	O
Rand	O
Corporation	O
and	O
cost	O
about	O
$	O
1,800,000	O
.	O
</s>
<s>
The	O
"	O
battleshort	O
"	O
mode	O
(	O
"	O
melt-before-fail	O
"	O
)	O
prevented	O
fail-safe	B-General_Concept
circuits	O
such	O
as	O
fuses	O
from	O
deactivating	O
the	O
machine	O
e.g.	O
,	O
during	O
a	O
missile	O
launch	O
.	O
</s>
<s>
The	O
26	O
Athena	B-Device
computers	I-Device
,	O
when	O
declared	O
surplus	O
by	O
the	O
federal	O
government	O
,	O
went	O
to	O
various	O
United	O
States	O
universities	O
.	O
</s>
