The freshly restored B-29 "Doc" has completed phase 1 of its test operations and the FAA has issued it a special airworthy certificate. This means "Doc" can finally leave the nest.
http://ksn.com/2017/03/10/faa-approves-new-airworthiness-certificate-for-b-29-doc/
http://ksn.com/2017/03/10/faa-approves-new-airworthiness-certificate-for-b-29-doc/