Help appreciated

Hi everyone.

Could someone please tell me what PSI stands for (and I don't mean Pounds/square inch!). I have just joined the TA and have met the PSI but I don't know what it stands for or really what he does.

Any helpful comments would be greatly appreciated!


You could always try following the Yellow Brick Road to find the answer?
either this is one of the worst waaah's ever, or you just really dont know. i will be the sucker then and answer this bone question. PSI stands for 'permanent staff instructor'. He normally works for a SPSI, 'senior permanent staff instructor'.

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