The vetting process for participation in multinational operations serves as a mechanism tothe bidding process for participation in multinational operations serves as a

increase perceived legitimacy of operations domestically and internationally.

Explanation:

Multinational operations are military operations exercised by two or more countries for a common action. These operations often called coalitions or alliances are formed to exert global influence and to promote economic connection among nations.Nations that want to join such operations has to go through the vetting process. It is the process that carefully assess the interested nation that wants to join a multinational operation and serves as a mechanism to increase perceived legitimacy of operations domestically and internationally.