I don't think it will work if your plan is to go on short term orders and then expect to use ML return clause in CBA to get a new aircraft awarded. This paragraph in CBA is what allows change in aircraft... So if a bid is awarded while you are on ML and someone junior to you gets the seat/fleet/domicile then you can be awarded... If not within your period of mil leave you get the aircraft and domicile you last came from...

12-D-3-b-(2) The Category to be awarded is one in which the Pilot’s seniority would have entitled him to fill during the vacancy bidding process while he was on military leave; and