The safety plug is removed, just before launch.
The N19 in the tower. The N19 can be distinguished from the N18 by the parachute hatch, which wasn't painted, but only primed grey.
The N19 just before lift off.

The safety plug is removed, just before launch.
The N19 in the tower. The N19 can be distinguished from the N18 by the parachute hatch, which wasn't painted, but only primed grey.
The N19 just before lift off.