The FBI said it uses front companies to keep the pilots and aircraft safe from danger.
A federal budget document from 2009 mentioned at least 115 planes, including 90 Cessna aircraft.
The planes have been providing support to FBI surveillance operations on the ground for decades.
The FBI has also taken care not to disclose its surveillance flights in court documents.
The FBIs aviation program is not secret, spokesman Christopher Allen said in a statement.
Specific aircraft and their capabilities are protected for operational security purposes.
The FBI is not the only federal law enforcement agency to take such measures.
At that time, the DEA had 92 aircraft in its fleet.
However, since 2007, the U.S.
source: www.techworm.net
