The construction and development of aerial vehicle or flying robot systems with remote sensing have become a vision of environmental monitoring in agriculture, ice condition, pollution, military, and territory. The new concept of environmental monitoring is superior to satellite imagery because of its accessibility, flexibility, applicability, and economy. Resulting from the expectable advantages, aerial vehicles have been extensively researched for their potential to carry out various missions. Recently, several developments have been engaged for aerial vehicles to conduct tasks in battlefield, transportation, exploration, and disaster prevention. Although the aforementioned researches can verify the applicability of aerial vehicle systems, most aerial vehicles lack the flexibility to accomplish other than predefined tasks. Moreover, the limitations of aerial vehicle performance and photographic technique also impede the development of such system. Therefore, with the introducing of multi-vehicle system, human intelligence, novel aerial vehicle design, and real-time photogrammetry system in outdoor environments, the efficiency and quality of monitoring can be improved significantly.