Which type of imagery (visible, SAR, multispectral, or hyperspectral) and which platform for the imagery (satellite, manned aircraft, or UAV) would you consider most useful in addressing each of the following intelligence needs? • Battlefield surveillance

Which type of imagery (visible, SAR, multispectral, or hyperspectral) and which platform for the imagery (satellite, manned aircraft, or UAV) would you consider most useful in addressing each of the following intelligence needs?
• Battlefield surveillance in Uganda
• Assessing chemical weapons production in Syria
• Monitoring heroin production in Afghanistan
• Assessing the status of Russian forces near the Ukraine border.
• Locating possible Taliban-occupied caves in Western Pakistan.
 
Explain and justify your answers.