Both airlines have been hit hard by the spike in jet fuel prices this month and by relentless competition.
At a guess, this history hadn't had the sort of relentless competition that had driven technology in his.
In coming years, he said, the United States and its contractors will confront "ferocious, relentless, ruthless competition" for a shrinking weapons market.
Long after the economy emerged from recession in late 2001, relentless domestic and foreign competition kept a lid on employment as companies struggled to contain costs.
He thought it was great - said there was nothing like relentless competition to bring out the strongest and hardiest types.
Pressure from relentless competition was a prime factor in Delta and Northwest's filings for bankruptcy protection last month.
Such services could lead to lower prices for consumers, but also relentless competition that threatens to break up existing businesses.
Indeed, it is relentless competition from around the world, more than anything else, that is forcing companies to change.
With relentless competition and changing tastes, Bermuda's tourist business has been fading.
The African communities survived, and in some instances grew against the stiff and relentless competition of the majority, or "high," culture.