American GBL-ASAT project is a part of developing laser weapon programs including the airborne laser and the advanced tactical laser.The demonstrating fully compensated laser propagation to low earth orbit satellites daring 2007 has been concerned.The researches of GBL-ASAT technology introduced here have be completed in FY05 and is going to perform in FY 06 and FY 07.Subsequently,the researches and experiments of ground-based laser atmospheric compensation are reviewed.Particularly,the status and future of...