This Agreement does not apply to any warship, military aircraft or naval auxiliary. Except for Part II, this Agreement does not apply to other vessels or aircraft owned or operated by a Party and used, for the time being, only on government non- commercial service. However, each Party shall ensure, by the adoption of appropriate measures not impairing the operations or operational capabilities of such vessels or aircraft owned or operated by it, that such vessels or aircraft act in a manner consistent, so far as is reasonable and practicable, with this Agreement.