Yes, but flip up sights are in short supply in the Corps. And more then likely he has to carry the Iron Sights for accountability reasons. And it's easy to keep track of everything if it's attached to the weapon.
Marines await a MV-22 Osprey during jump training, June 5. The Osprey's tilt-rotor configuration gives the aircraft the ability to get to a landing zone quickly and unload troops like a traditional helicopter, but parachuting into an area instead has the added benefit of being nearly silent.
Marines from India Company, 3rd Battalion, 5th Marines, 31st Marine Expeditionary Unit, patrols through a mock terrorist camp after coming ashore via Combat Rubber Raider Craft during a jungle raid training exercise at Recon Beach here during Exercise Cobra Gold 2009, Feb. 10. "The jungle raid allows us to implement our basic infantry skills [in a jungle environment], skills that may have been lost over the past few years by Marines focused on the desert operations," said Sgt. Cody Alterman, a Co. I squad leader. "It was great training, allowing the Marines the opportunity to conduct jungle mobility and warfare skills in a realistic scenario." Cobra Gold '09 is a bilateral exercise focusing on military interoperability training and strengthening the long-standing partnership between the Royal Thai and U.S. Armed Forces.
Marines with 1st Reconnaissance Battalion (1st RECON BN) move toward an objective sight during Operation: Knocking on Heavens Door, June 11. Marines with 1st RECON BN are raiding a house in Amiriyah Ferris, Iraq that belongs to an alleged insurgent sniper. Regimental Combat Team 6 is deployed with Multi National Force-West in support of Operation Iraqi Freedom in the Al Anbar province of Iraq.