One of the Schlieren images of a NASA F/A-18 generated during the Ground-to-Air Schlieren Photography System (GASPS) trial.

Самолёты на фотографии: Aircrafts on the photo: McDonnell Douglas F/A-18B Hornet - СШАUSA - 1979

NASA F/A-18B 852 flew a series of low-supersonic, high-altitude flight profiles to investigate the boom threshold.

Самолёты на фотографии: Aircrafts on the photo: McDonnell Douglas F/A-18B Hornet - СШАUSA - 1979

NASA's F-15B flying with a ‘Quiet Spike’, a multi-segmented, articulating spike designed to reduce and control a boom.

Самолёты на фотографии: Aircrafts on the photo: McDonnell Douglas F-15B/D Eagle - СШАUSA - 1972

Back in 2003, NASA's F-15B test-bed flew in the shockwave of Northrop Grumman's modified F-5E as part of the Shaped Sonic Boom Demonstration (SSBD) project. A US Navy F-5E followed for baseline boom measurements.

Самолёты на фотографии: Aircrafts on the photo: McDonnell Douglas F-15B/D Eagle - СШАUSA - 1972Northrop F-5E Tiger II - СШАUSA - 1972

A NASA F/A-18B taxies at Edwards for a flight as part of work to test caustic wave fronts.

Самолёты на фотографии: Aircrafts on the photo: McDonnell Douglas F-15B/D Eagle - СШАUSA - 1972