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What happened to the SR-71? Is it still flying? If not, why did the U-2 last longer in service?
by philip1209 8y ago
What happened to the SR-71? Is it still flying? If not, why did the U-2 last longer in service?
- unit91 8y agoCost. SR-71 was very expensive to operate. LA Times article from 1989 when it was discussed (the first time; the SR-71 was retired twice): http://articles.latimes.com/1989-04-09/opinion/op-1582_1_air-force-chief-blackbird-spy-plane http://articles.latimes.com/1989-04-09/opinion/op-1582_1_air...