text: co-operate with ICAO to the maximum extent possible in their efforts to solve the problems of unlawful interference with international civil aviation; 2. to invite Contracting States to exchange, as they consider appropriate, information through ICAO, or directly where desirable, related to increasing physical security controls in the plans and designs of existing and new airports and research and development on weapons and explosive detection, as well as to undertake joint efforts in the development and refinement of promising concepts in detection of weapons and explosives; and 3. to disseminate to Contracting States the information outlined in Clause 2 above as soon as it can be consolidated in a useful manner. / ... A/40/445 English Page 33 A24-18: Reaffirmation of resolutions for the encouragement of ratification of and accession to International Air Law Conventions and reporting requirements under Article 11 of the Hague Convention and Article 13 of the Montreal Convention THE ASSEMBLY, REAFFIRMING Resolution A22-16 adopted at its 22nd Session and Resolution A23-21 adopted at its 23rd Session; NOTING WITH SATISFACTION the action taken by the Council, the President of the Council and the Secretary General to bring Resolutions A22-16 and A23-21 to the attention of Contracting States and the encouraging response thereto by Contracting States; CONSIDERING, however, that more effort should be made by States to furnish all the information contemplated in Resolving Clause 4 of Resolution A23-21; BEARING IN MIND the continuing importance of the objectives of Resolutions A22-16 and A23-21; DIRECTS the Secretary General to continue, with the utmost vigour, to take follow-up action on Resolutions A22-16 and A23-21 and to report to each Session of the Assembly on the results achieved. A24-19: Strengthening of measures to suppress acts of unlawful seizure of aircraft and other unlawful acts against the security of civil aviation THE ASSEMBLY, 
analysis: The text appears to be discussing international efforts to improve security in the aviation industry, including measures to prevent unlawful interference and enhance physical security controls at airports. It also mentions the importance of reporting and information sharing among countries to achieve these goals. Given the focus on international cooperation and security measures, I hypothesize that the text is most closely related to the fields of Transport and Communication, as well as International Trade, due to the potential economic implications of these security measures.