Scramble, shut down one engine top of climb, cruise to op area, restart, do intercept, repeat on recovery.
How do you think the Lightning managed to do QRA north of Saxa Vord out of LU?
Well, almost. We
never shut down an engine outbound as a failure to relight would compromise the intercept. Anyhow, shutting down an engine only succeeded in increasing range below 15000ft. Best range was at the tropopause on two so there was rarely a case for recovering on one. As to how we intercepted north of Saxa Vord as well as north of the Faeroes and Iceland - we cheated and used tankers.