The Florida man is suspected of sending more than a dozen pipe bombs to prominent critics of President Donald Trump, CNN and others.
The suit alleges the pilots gave the female crew members beer laced with a drug and that one of them was raped during a layover in Puerto Rico.
The agency's involvement comes as the FBI confirmed it was joining a probe into the Boeing 737 Max jet certification process.
The woman allegedly spent the money on her grandchild's private school tuition, dental expenses and Barbra Streisand tickets.
Extreme weather is threatening bases across the nation, but preparations for the changing future have often been too slow.