Very early in the Eagle program, McDonnell Douglas had proposed an RF-15 reconnaissance version of the Eagle. The RF-15 would have been equipped with a new nose containing cameras, side-looking airborne radar, television cameras, and a multi-spectral scanner. This proposal was rejected by the Air Force, and no dedicated reconnaissance version of the Eagle was ever built.
As a private venture named Project Peek Eagle, the second TF-15A test vehicle (71-291) was modified with a conformal centerline pod equipped with reconnaissance cameras, imaging equipment, and data link. However, the project was not pursued beyond the test stage.
In 1995, an F-15D (82-046) was modified to carry a Loral-Fairchild ATARS multi-
sensor pod on the centerline. Two test flights were carried out, but the
system was not adopted for the F-15.