Even the best-laid plans for retirement can suddenly go awry if a major life event strikes. For example, a sudden job loss, a marital break-up or becoming a caregiver for an ailing parent or spouse can wreak havoc on finances - potentially for years. But even if you're hit with one of these life events, you can get your retirement back on track. Here are three major retirement derailers, as well as resources and strategies to overcome them.

You Lose Your Job

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Older workers have one of the lowest unemployment rates of any sector of the workforce--3.3% or less, as of December. But once they lose a job, it takes them longer than younger job