If you're qualified in a seat that a temporary vacancy (TV) is needed, the company can, under the currrent CBA, send you to non-FDA domicile (MEM, LAX, ANC) for 1 bid period every 14 months while paying you lodging, per diem, but no airfare for dependents.

The LOA would allow the company to send a person to an FDA 1 bid period every 6 months but is required to pay for lodging, per diem and airfare for dependents.

The standing bid is irrelevant unless, of course, you bid either FDA.

The company cannot 'force' award anyone into a FDA only a TV.