In no case shall this insurance cover loss damage or expense arising from the use of any weapon of war employing atomic or nuclear fission and/or fusion or other like reaction or radioactive force or matter.
The following provision shall be paramount and shall override anything which may appear elsewhere in this contract :-
Should this insurance be extended to cover any loss damage or expense excluded by the above War Exclusion Clause, such war risks cover shall not extend to any claim based upon loss of or frustration of the insured voyage or adventure.