The modifications required are limited and include a new, stronger landing gear, a modified arrestor hook and localised strengthening on some fuselage sections near the landing gear
To reduce the aircraft's approach speed and the resulting landing loads the study envisages the introduction of a thrust-vectored variant of the Eurojet EJ200 engine.
Mayhap those changes
do constitute
kenparry's stated requirements of:
Vectored thrust, beefed-up structure
-- so maybe he did read the article?