Come into force. it s only japan s second defence agreement following its longstanding alliance with the united states. it means their forces will now be able to operate in each others countries with japanese f35 fighters due to be deployed to northern australia soon. the two militaries will also conductjoint drills with the first due injapan at the end of the year. the agreement was signed in 2022 amid concerns about an increasingly assertive china. for more we can speak to sam roggeveen. he s the director of the international security programme at the lowy institute think tank. hejoins me now from canberra. thank you for being with us today. can you give us the bigger picture as to what this pact will mean for both countries? pact will mean for both countries? ., ., ., countries? you are right that this should countries? you are right that this should be countries? you are right that this should be seen - countries? you are right that this should be seen in - countries? you a