BDiONU says: "At the time of the 'holiday' it seemed (to me anyway) that it was perfectly justified because you can't predict the future."
It's exactly because you can't predict the future that such a "holiday" should not have been allowed. Without the "holiday" the fund would be far healthier.
The options are straightforward-
Strike to save YOUR pension.
Don't strike to lose YOUR pension.
The solution is down to the backbone and resolve of the only staff who can realistically make any difference- the OPERATIONAL workers.