0 - FTP Directory Listing - Nato

1 Int raduction
The iiotcntial cxploitatinn of TACSATs 15 lirnitecl by a
vicious circlc in which users tln not slwcify rc:qiiirrtn,ciii<
which they hcli:vc til hr infcacihlc and ihc spec inthistry
docs not nffcr radic~lly new solutions hccairsc it ;.crccivc<
no dcrnantl. rhis is the Catch 22 of the titlr.
Thi? papr Hinis to shou come of thc p1ssihililir.s if wc hrcak
out tif t;int viciitus circlc. A private cic*ilian Enrih
obscrvatinn nliFrion (ScaStar) is ailiiptccl as a b;isclinc. In
cvdrr tit illiictratc what niight hc iwssihlc. niilitary
paylonds for survcillancc. vcrificatian and C31 arc
suppcstcd. tlcrivrd from land or air h;iscd 5ystcins ih?t cilkcr
alrcatly cxist or arc known to Ix undcr ttcvclolimcni. It
must hc apprcciaictl that thcsc are not lirrzriilctl :is iwpictd
clcsignc. mcrcly as ;I kind of "existencc piiii1" fi ~ ',igIi
pcrfiirmiincc arid IOW ccirt ~~~tcllitcs,
I'Y
CA. EIiioRt
Sinith Sysrcm Engineering
Sniitk Assixiafcs Lid
Surrcy Rcscarch Park
Guildford GUZ 5YY
United Kingdom
It is pissihlc. tin the hssis or thiz "csistcncc iiriwl-', lo
cxplorc s~)iiic iif tlic iycrational conscqt~:nccs of tllc morc
gcncriil iize d'1'ACSAI-s
2 '' T r a d i I i o n a I " s p a ce P 11 i 11 k i n g
Thcrc has hccn a dcvcltipmcnt in thc space proirt.i~ canid
out in the USA and Europe from the carly days of simple.
dcdicatctl and incxpcnsivc missions. thrciueh in thc prcscnt
pisition where niost missions arc cornplcx. niiilti-purpose
and cxpcnsivc.
This is a rcsuli iif a positive fccdh;ick nirchaniwi' which
systcniatically fLirccs spacc missions io hcconic niorc
cxpcnsivc. takc lnnpcr to caccutc and fail itr xatisf) thc
nccds of their uscrs. Thc pnsitivr. fccdhack mechanicin starc\
with thc bclicf that space projccts arc cxprnsivc. The
consciwcncc of this bclicf is that thcrc will not he many
projects. Few projccts nican that:
. they miist hc pliiniicd carefully to gct ihc hw out r:f
thcm;
- they must hc rcliatilc;
- they nccd to he largc to achicvc a lot from cach
projcct: I
.
thcrc will bc liitlc compctition (not only r.itiiimcrcia1
compctiticin bctwcen supplicrc bui thcrc i. :ilso litllc
room for compctilinn of itlcas).
Each of these brings conscqucnccs for tlic ctwluct of the
projccki. Planning C~IISCS dclays. High rcliahiliiy wticn not
building many systems mcans that intcgrily must whicvcd
by design. This prccludes the usc of the Iate