[Robert A Cook PE]

OK.

So the other direction, lasers can now blast an incoming missile by heat and energy input ..... 8<)

[El Gato]

So the other direction, lasers can now blast an incoming missile by heat and energy input ....

Heat is energy. But, IIRC, some of the damage mechanism for short pulse lasers is due to momentum transfer. Short of like pounding on the missile with a ball peen hammer, only much harder.

But other lasers, such as the one on the ABL 747, do there thing by energy deposition.