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3. Former Air France flier

Alternative clues for the word sst

• Boomer for nearly 35 yrs.
• Pond-crossing option, once
• Bygone barrier-breaker
• Its business is booming
• Brit. Airways retiree
• Mach 1 passer
• Tupolev Tu-144 was the first one
• Fast way to JFK, once
• Barrier breaker, for short
• Fast flyer of the past