It might be hard to imagine, but one day, you'll be ready to hang up that tool belt. Pension plans are in place for all UA members for when that time comes. The type of plan depends on the collective agreement struck on your behalf.
The UA is looking out for your future with a well-funded benefits plan, so you'll know ahead of time what your retirement income will be. If you want to retire comfortably, you want to be in the UA.