It will feature 76,000 solar panels on roughly 145 acres of land owned by NSA Crane, making it one of the largest solar facilities in Indiana.
Civilian employees have until June 4 to make a case for why they should be exempt from the furloughs.
The grand opening celebrations along the route are closed to the public.
The trumpet will allow traffic to move through the interchange at a higher speed than some of the other designs that were previously on the table.
The head of the center is a former Crane commanding officer.
Trees from NSA Crane will be used to replace boards on the hull of the USS Constitution.