Possible reason UFP might take 13 years build three Galaxy class starship

[Jason 27]

Answer this question first we must important each starship prototype they the USS Enterprise D testing warp drive being test and impulse engine. First tons of testing done USS Enterprise D basic three years worth. 

• The first impulse test flight of the Enterprise is in 2358.

• The first warp test flight of the Enterprise is in 2360.

• Final construction and testing continues until 2363.

• The USS Enterprise is commissioned in 2363.

This site http://www.stardestroyer.net/Empire/Tech/Industry/Industry1.html

 

The personal wrote page point out still say took UFP 13 years build 3 Galaxy class starships. Forget point all testing going on USS Enterprise D alone want throw 5 years of plan testing.  Another possible that USS Enterpise D and USS Yamato were build at shipyard next to each two ship yard available were both could gone 5 years of testing allow a year to build each starship. It very possible first one might take even longer to build since was pro-type. This is true then it take few six months build single Galaxy class starship. 

 

 

This would explain few things first UFP out blue some how so many Galaxy class starship available during the Dominion war.  Let face build newest must effective warp drive and total new science equipment for research and exportation they build war machine to stop the Dominion.