Not much has happened in 30 years

Here's what the GAO says in their latest report about weapons acquisitions by the Defense Department:

"GAO's reviews of weapons over three decades have found consistent cost increases, schedule delays, and performance shortfalls."

And things haven't changed in at least 62 weapons systems being developed at an estimated cost of $950 billion. 16% of the programs started the development process with mature technologies. What does this mean? One thing is money; those starting with immature technologies had a 32% cost increase, those with mature technologies had a 2.6% increase. Many of these weapons systems are being developed without "needed technology, design and production knowledge". This is how DOD will manage the $1.5 trillion that is allocated to new weapons?