How do you spell that? can you buy celebrex in canada Under proposals set out in the 2010 Strategic Defence and Security Review (SDSR), the coalition had intended to switch to the more capable F-35C carrier variant of the aircraft - even though it meant mothballing one of the two carriers on grounds of affordability - but the costs of fitting the necessary catapults and arrester gear, "cats and traps", had more than doubled to £2 billion.