Complex sentence: Due to capacity constrains at the terminal and air traffic congestion due to strong military and naval presence, the second airport at Mopa was proposed and is already under early stage of construction with scheduled completion in 2019.
Split into simpler sentences: Due to capacity constrains at the terminal and air traffic congestion due to strong military and naval presence. The second airport at Mopa was proposed and is already under early stage of construction with scheduled completion in 2019.