Gelb believes in the power of the well-timed phone call, the intimate lunch date, the intercontinental flight.

NEWYORKER: Man Behind the Curtain

Interceptors are vehicles that are launched to intercept intercontinental missiles in flight.

WSJ: U.S. to Boost Missile Defenses in Response to North Korea

The interceptors, vehicles that are launched to intercept intercontinental missiles in flight, have failed in some recent tests, with the last fully successful test occurring in 2008.

WSJ: U.S. to Boost Missile Defenses in Response to North Korea