Going forward, the LLCD will play a vital part in NASA's 2017 Laser Communications Relay Demonstration, a key test of laser-based relay comms in future missions.

ENGADGET

Another firefighter is stationed at a key point to relay messages to the teams above.

CNN: workers

He is respected both as an individual 400m runner and a key team member of the 4 x 400m relay.

BBC: Roger Black MBE