Night Exercise Mauritanian soldiers pose for a photo while they await instructions to begin a night-time simulated rescue operation exercise during Flintlock 20 in Nouakchott, Mauritania, Feb. 16, 2020. SHARE IMAGE: Download Image: Full Size (0.98 MB) Photo By: Navy Petty Officer 2nd Class Evan Parker VIRIN: 200216-N-RU672-0099.JPG Photo Gallery