During the past decade, the Navy has considerably improved its
capabilities in aircraft-weapon integration. In 1989 it took more than 400
hours of wind-tunnel testing, which cost $1,5000,000, and 20 flights to
clear the JSOW from the F-18 to Mach 0·95. This year the Mk-83 JDAM was
cleared after only 60 hours of wind-tunnel testing and five flights to the
full F-18 aircraft envelope of Mach 1·3. This reduction occurred because the
Navy not only learned to test smarter, but also developed an integrated
approach to modelling and simulation (M&S), wind-tunnel and flight
testing which allowed lessons learned on previous programmes to be applied
to new ones. However, the present approach still requires a fairly large
commitment of time and financial resources to accomplish the
mission.
The present approach has optimised the use of available resources; any
further gains will have to come not by improving existing techniques, but by
bringing new resources into the process.
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