The video links below show past missions (not ORACLES) where the ER-2 flew for NASA Airborne Science. They demonstrate ER-2 operations.
Stuart Broce, NASA ER-2 pilot, takes us to 70,000 ft during a SEAC4RS mission flight.
SPEX Instrument Maiden Flight Aboard NASA ER-2
Dryden's ER-2 Mobile Chase Vehicle