Crédito/foto: Elias Dias

160909-M-MK246-052 MEDITERRANEAN SEA (September 9, 2016) An MV-22B Osprey with Marine Medium Tiltrotor Squadron 264 (Reinforced), 22nd Marine Expeditionary Unit (MEU), lands an AV-8B Harrier II Jet engine on the flight deck of the USNS Big Horn on Sept 9, 2016. 22nd MEU, deployed with the Wasp Amphibious Ready Group, is conducting naval operations in the 6th Fleet area of operations in support of U.S. national security interests in Europe and Africa. (U.S. Marine Corps photo by Cpl. John A. Hamilton Jr.)

U.S. Army Rangers 1st Lt. Joseph Lemens and Sgt. 1St Class Dustin Oliveira, assigned to the 7th Infantry Division, participate in the Urban Assault Course during the 34th annual David E. Grange Jr. Best Ranger Competition at Ft. Benning, Ga., Apr. 7, 2017. The Best Ranger competition is a three-day event consisting of challenges to test competitor's physical, mental, and technical capabilities, and places the military's best two-man Ranger teams against each other to compete for the title of Best Ranger. (U.S. Army photo by Spc. Jesse Coggins / Released)

YUMA, Ariz. - U.S. Marine Corps infantrymen, with Bravo Company, 1st Battalion, 6th Marine Regiment, conduct live-fire training during Talon Exercise 2-13, March 26, 2013. -- (U.S. Marine Corps photographs by Cpl. Vernon T. Meekins, 2nd Marine Division COMCAM/Released)

YUMA, Ariz. - U.S. Marine Corps Lance Cpl. Angel Cruz, aviation communication systems technicians, Marine Tactical Air Command Squadron 38 (MTACS-38), installs grounding rods for high-frequency antennas during Weapons and Tactics Instructor (WTI) Course 2-14 April 1, 2014. (U.S. Marine Corps photograph by Capt. Keith "The Bull" Stevenson, MAWTS-1 COMCAM/Released)

U.S. Army Cpl. Georhe Huley and Staff Sgt. Daniel Luksan, both assigned to the 55th Signal Company (COMCAM), discuss their next move to get on the other side of an obstacle on one of the Leadership Reaction Course (LRC) tasks during a bi-annual Field Training Exercise (FTX), Fort AP Hill, Va., Sept. 24, 2015. The 55th Signal Company conducts a FTX twice a year in order to maintain tactical proficiency, as well as to develop and prepare Soldiers for the rigor of combat. (U.S. Army Photo by Sgt. 1st Class Christophe D. Paul/Released)

YUMA, Ariz. - U.S. Marine Corps artillerymen, 2nd Battalion, 10th Marine Regiment, conduct an Artillery Raid with assistance from CH-53 Super Stallion helicopters in support during WTI 2-13. Marines conduct integrated Marine Air-Ground Task Force training to ensure readiness in any climb and place. -- (U.S. Marine Corps photographs by Sgt. Christopher R. Rye, 1st Marine Division COMCAM/Released)

YUMA, Ariz. - U.S. Marine Corps artillerymen, 2nd Battalion, 10th Marine Regiment, conduct an Artillery Raid with assistance from CH-53 Super Stallion helicopters in support during WTI 2-13. Marines conduct integrated Marine Air-Ground Task Force training to ensure readiness in any climb and place. -- (U.S. Marine Corps photographs by Sgt. Christopher R. Rye, 1st Marine Division COMCAM/Released)

A U.S. Marine assigned to Force Reconnaissance Platoon, Maritime Raid Force, 26th Marine Expeditionary Unit (MEU), engages targets with his M4 Carbine from cover as his teammate bounds forward during an advanced marksmanship range in the 5th Fleet area of responsibility, Aug. 19, 2013. The Marines conducted the range in 115 degree heat with a full combat load to acclimate themselves to harsh desert environments. The 26th MEU is a Marine Air-Ground Task Force forward-deployed to the U.S. 5th Fleet area of responsibility aboard the Kearsarge Amphibious Ready Group serving as a sea-based, expeditionary crisis response force capable of conducting amphibious operations across the full range of military operations. (U.S. Marine Corps photo by Sgt. Christopher Q. Stone, 26th MEU Combat Camera/Released)

YUMA, Ariz. – U.S. Marine Corps Sgt. Ryan Hetu, CH-53 crew chief, Marine Heavy Helicopter Squadron-463, Marine Aircraft Group 39, 1st Marine Air Wing, unloads .50 caliber ammunition from a CH-53E Super Stallion, March 28, 2014. The .50 cal. ammunition was utilized in a CH-53 Battle Illumination exercise, a part of Weapons and Tactics Instructor (WTI) Course 2-14. WTI is a seven-week training event hosted by MAWTS-1 cadre, providing standardized tactical training and certification of unit instructor qualifications to support Marine Aviation Training and Readiness and assists in developing and employing aviation weapons and tactics. (U.S. Marine Corps photograph by Lance Cpl. Xzavior T. McNeal, MAWTS-1 COMCAM/ Released)

U.S. Army Pfc. Craig Jensen and Pv2 Aaron Bratcher, both assigned to the 55th Signal Company (COMCAM), raise a pole to get to the other side of an obstacle on one of the Leadership Reaction Course (LRC) tasks during a bi-annual Field Training Exercise (FTX), Fort AP Hill, Va., Sept. 24, 2015. The 55th Signal Company conducts a FTX twice a year in order to maintain tactical proficiency, as well as to develop and prepare Soldiers for the rigor of combat. (U.S. Army Photo by Sgt. 1st Class Christophe D. Paul/Released)

160728-M-AF202-019 MEDITERRANEAN SEA (July 28, 2016) Marines assigned to Bravo Company, Battalion Landing Team, 1st Battalion, 6th Marine Regiment, 22nd Marine Expeditionary Unit (MEU), conduct a mass casualty training exercise aboard the amphibious assault ship USS Wasp (LHD 1) on July 28, 2016. 22nd MEU, deployed with the Wasp Amphibious Ready Group, is conducting naval operations in the 6th Fleet area of operations in support of U.S. national security interests in Europe. (U.S. Marine Corps photo by Lance Cpl. Koby I. Saunders/Released)

YUMA, Ariz. – U.S. Marine Corps Sgt. Maj. Jonathan R. Cagle, Marine Aviation Weapons and Tactics Squadron One (MAWTS-1) Sergeant Major, briefs augments supporting the Weapons and Tactics Instructor (WTI) Course 2-14, March 19, 2014. WTI is a seven week training event hosted by MAWTS-1 cadre. MAWTS-1 provides standardized tactical training and certification of unit instructor qualifications to support Marine Aviation Training and Readiness and assists in developing and employing aviation weapons and tactics. (U.S. Marine Corps photo by Lance Cpl. Xzavior T. McNeal, COMCAM/ Released)

Joint U.S. Armed Forces service-members and Mongolian role-players high-five after static checkpoint training during Exercise Khaan Quest 2017 at Five Hills Training Area, Mongolia, July 29, 2017. Khaan Quest 2017 is a Mongolian-hosted, combined, joint training exercise designed to strengthen the capabilities of the U.S., Mongolia and other partner nations in international peacekeeping operations.(U.S. Marine Corps photo by Lance Cpl. Maximiliano Rosas)

A U.S. Marine assigned to Force Reconnaissance Platoon, Maritime Raid Force, 26th Marine Expeditionary Unit (MEU), provides security as his teammates conduct an amphibious insertion onto maritime infrastructure while training foreign Marines in the U.S. 5th Fleet area of responsibility, Sept. 1, 2013. The 26th MEU is a Marine Air-Ground Task Force forward-deployed to the U.S. 5th Fleet area of responsibility aboard the Kearsarge Amphibious Ready Group serving as a sea-based, expeditionary crisis response force capable of conducting amphibious operations across the full range of military operations. (U.S. Marine Corps photo by Sgt. Christopher Q. Stone, 26th MEU Combat Camera/Released)

A U.S. Marine assigned to Force Reconnaissance Platoon, Maritime Raid Force, 26th Marine Expeditionary Unit (MEU), engages targets with his M4 Carbine from cover during an advanced marksmanship range in the 5th Fleet area of responsibility, Aug. 19, 2013. The Marines conducted the range in 115 degree heat with a full combat load to acclimate themselves to harsh desert environments. The 26th MEU is a Marine Air-Ground Task Force forward-deployed to the U.S. 5th Fleet area of responsibility aboard the Kearsarge Amphibious Ready Group serving as a sea-based, expeditionary crisis response force capable of conducting amphibious operations across the full range of military operations. (U.S. Marine Corps photo by Sgt. Christopher Q. Stone, 26th MEU Combat Camera/Released)

100331-A-3996M-273 Local farmers work their field as Coalition and local leaders walk past after a Key Leader Engagement in the town of Jalowekheyl. International Security Assistance Force members from Forward Operating Base Kutschbach conducted a presence patrol in the Tag Ab District, Kapisa province, Afghanistan, March 31. (Photo by Staff Sgt. Horace Murray)

U.S. Army Sgt. 1st Class Brien Vorhees and Spc. James Stokes, both assigned to the 55th Signal Company (COMCAM), conduct their Preventive Maintenance Checks and Services (PMCS) on their High Mobility Multipurpose Wheeled Vehicle (HMMVW) before a convoy to Fort AP Hill for their bi-annual Field Training Exercise (FTX), Fort Meade, Md., Sept. 22, 2015. The 55th Signal Company conducts a FTX twice a year in order to maintain tactical proficiency, as well as to develop and prepare Soldiers for the rigor of combat. (U.S. Army Photo by Sgt. 1st Class Christophe D. Paul/Released)

YUMA, Ariz. - U.S. Marine Corps Lance Cpl. Angel Cruz, aviation communication systems technicians, Marine Tactical Air Command Squadron 38 (MTACS-38), installs grounding rods for high-frequency antennas during Weapons and Tactics Instructor (WTI) Course 2-14 April 1, 2014. (U.S. Marine Corps photograph by Capt. Keith "The Bull" Stevenson, MAWTS-1 COMCAM/Released)

130521-N-OA072-268 U.S. 5TH FLEET AREA OF RESPONSIBILITY (May. 19, 2013) Ships line line up in formation for a Photo exercise during International Mine Countermeasures Exercise (IMCMEX) 13. IMCMEX includes navies from more than 40 countries whose focus is to promote regional security through mine countermeasure operations in the U.S. 5th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 1st Class Michael Sandberg/Released)

U.S. Army Lt. Gen Bryan P. Fenton speaks to U.S. Armed Forces service members at the closing ceremony of Exercise Khaan Quest 2017 at Five Hills Training Area, Mongolia, August 5, 2017. Khaan Quest 2017 is a Mongolian-hosted, combined, joint training exercise designed to strengthen the capabilities of the U.S., Mongolia and other partner nations in international peacekeeping operations.(U.S. Marine Corps photo by Lance Cpl. Maximiliano Rosas)

An Air Assault Sgt. teaches proper rappel techniques by way of ground training prior to training on the vertical wall during Day 7 of Air Assault School on Camp Smith, N.Y., July 27, 2010. (U. S. Army photo by Spc. Mark Salazar / Released)

Commandant of the Marine Corps (CMC) Gen. Robert B. Neller poses for a photo with Marines and guests attending the CMC Birthday Ball at the Gaylord National Resort & Convention Center, Oxen Hill, Md., Nov. 12, 2016. (U.S. Marine Corps photo by Cpl. Samantha K. Braun)

LANDING ZONE BULL ASSAULT, Calif. - U.S. Marine Corps Lance Cpl. Brashad Sanders, landing support specialists, Combat Logistics Regiment 27 (CLR-27), 2nd Marine Logistics Group, unwinds a static wand before he provides helicopter support team assistance in support of MV-22 Ospreys during Weapons and Tactic Instructor (WTI) Course 2-14 April 5, 2014. (U.S. Marine Corps photograph by Capt. Keith "The Bull" Stevenson, MAWTS-1 COMCAM/Released)

Servicemembers rappel out of a UH-60 Blackhawk during Day 9 of Air Assault School on Camp Smith, N.Y., July 29, 2010. (U. S. Army photo by Pfc. Jose L. Torres-Cooban / Released)

A U.S. Marine assigned to Force Reconnaissance Platoon, Maritime Raid Force, 26th Marine Expeditionary Unit (MEU), provides security as his teammates conduct an amphibious insertion onto maritime infrastructure while training foreign Marines in the U.S. 5th Fleet area of responsibility, Sept. 1, 2013. The 26th MEU is a Marine Air-Ground Task Force forward-deployed to the U.S. 5th Fleet area of responsibility aboard the Kearsarge Amphibious Ready Group serving as a sea-based, expeditionary crisis response force capable of conducting amphibious operations across the full range of military operations. (U.S. Marine Corps photo by Sgt. Christopher Q. Stone, 26th MEU Combat Camera/Released)

YUMA, Ariz. - U.S. Marine Corps infantrymen, with Bravo Company, 1st Battalion, 6th Marine Regiment, conduct live-fire training during Talon Exercise 2-13, March 26, 2013. -- (U.S. Marine Corps photographs by Cpl. Vernon T. Meekins, 2nd Marine Division COMCAM/Released)

YUMA, Ariz. - U.S. Marine Corps Lance Cpl. Angel Cruz, aviation communication systems technicians, Marine Tactical Air Command Squadron 38 (MTACS-38), installs grounding rods for high-frequency antennas during Weapons and Tactics Instructor (WTI) Course 2-14 April 1, 2014. (U.S. Marine Corps photograph by Capt. Keith "The Bull" Stevenson, MAWTS-1 COMCAM/Released)

U.S. Army Sgt. Darrell Wilkins gives water to a collapsed role player at a static checkpoint during Exercise Khaan Quest 2017 at Five Hills Training Area, Mongolia, July 29, 2017. Khaan Quest 2017 is a Mongolian-hosted, combined, joint training exercise designed to strengthen the capabilities of the U.S., Mongolia and other partner nations in international peacekeeping operations.(U.S. Marine Corps photo by Lance Cpl. Maximiliano Rosas)

A CH-53E Super Stallion with Marine Medium Tiltrotor (VMM) 162 (Reinforced), 26th Marine Expeditionary Unit (26th MEU), lifts quadcon containers as part of Combat Logistics Battalion 26, 26th MEU, helicopter support training at Fort Pickett, Va., April 11, 2015. The long distance transportation of supplies by air can be used to support troops ashore such as when conducting a humanitarian assistance or disaster relief mission where supplies are needed in a timely manner. The 26th MEU is conducting realistic urban training in preparation for deployment in the 5th and 6th fleet area of responsibility later this year. (U.S. Marine Corps Photo by Cpl. Jeraco Jenkins/ 26th Marine Expeditionary Unit Combat Camera/Released)

YUMA, Ariz. – U.S. Marine Corps Cpl. Matthew J. Vanrite, avionics technician, Marine Medium Tiltrotor Training Squadron 204, Marine Aircraf Group 39, 2D Marine Aircraft Wing, listens to a brief given to service members supporting the Weapons and Tactics Instructor (WTI) Course 2-14, March 19, 2014. WTI is a seven-week training event hosted by MAWTS-1 cadre. MAWTS-1 provides standardized tactical training and certification of unit instructor qualifications to support Marine Aviation Training and Readiness and assists in developing and employing aviation weapons and tactics. (U.S. Marine Corps photo by Lance Cpl. Xzavior T. McNeal, COMCAM/ Released)

YUMA, Ariz. - U.S. Marine Corps air traffic controllers receive hands-on instruction with the AN/PRC-150 High-Frequency Radio March 21, 2014. The Marines undergo advance training during Weapons and Tactics Instructor (WTI) Course 2-14. WTI is a seven week training event hosted by MAWTS-1 cadre, which emphasizes operational integration of the six functions of Marine Corps aviation in support of a Marine Air Ground Task Force. MAWTS-1 provides standardized advanced tactics and certification of unit instructor qualifications to support Marine Aviation Training and Readiness and assists in developing and empowering aviation weapons and tactics. (U.S. Marine Corps photograph by Capt. Keith "The Bull" Stevenson, MAWTS-1 COMCAM/Released)

YUMA, Ariz. - U.S. Marine Corps landing support specialists, Combat Logistics Regiment 27 (CLR-27), 2nd Marine Logistics Group, prepare a Light Armored Vehicle 25 for lift by CH-53E Super Stallion during Weapons and Tactics Instructor (WTI) Course 2-14 April 4, 2014. WTI is a seven week training event hosted by Marine Aviation Weapons and Tactics Squadron One (MAWTS-1) cadre. MAWTS-1 provides standardized advanced tactical training and certification of unit instructor qualifications to support Marine Aviation Training and Readiness and assists in developing and employing aviation weapons and tactics. (U.S. Marine Corps photograph by Lance Cpl. Adrianna R. Lincoln, 1st MARDIV COMCAM/Released)

Commandant of the Marine Corps (CMC) Gen. Robert B. Neller poses for a photo with Marines and guests attending the CMC Birthday Ball at the Gaylord National Resort & Convention Center, Oxen Hill, Md., Nov. 12, 2016. (U.S. Marine Corps photo by Cpl. Samantha K. Braun)

A U.S. Marine assigned to Force Reconnaissance Platoon, Maritime Raid Force, 26th Marine Expeditionary Unit (MEU), climbs a ladder as he conducts an amphibious insertion onto maritime infrastructure while training foreign Marines in the U.S. 5th Fleet area of responsibility, Sept. 1, 2013. The 26th MEU is a Marine Air-Ground Task Force forward-deployed to the U.S. 5th Fleet area of responsibility aboard the Kearsarge Amphibious Ready Group serving as a sea-based, expeditionary crisis response force capable of conducting amphibious operations across the full range of military operations. (U.S. Marine Corps photo by Sgt. Christopher Q. Stone, 26th MEU Combat Camera/Released)

Members of the Army, U.S. Department of State and U.S. Agency for International Development inspect a burial site for Ebola victims near an active Ebola treatment unit built as part of Operation United Assistance in Suakoko, Liberia, Nov. 22, 2014. United Assistance is a Department of Defense operation to provide command and control, logistics, training and engineering support to U.S. Agency for International Development-led efforts to contain the Ebola virus outbreak in West African nations. (U.S. Army Photo by Sgt. 1st Class Brien Vorhees, 55th Signal Company (Combat Camera) / Released)

YUMA PROVING GROUNDS, Ariz. - U.S. Marines supporting Weapons and Tactics Instructor (WTI) course 2-14 unload from an MV-22 Osprey during a Spider forward arming refueling point in support of Weapons and Tactics Instructor (WTI) course 2-14 March 28, 2014. WTI is a seven week training event hosted by Marine Aviation Weapons and Tactics Squadron One (MAWTS-1) cadre. MAWTS-1 provides standardized advanced tactical training and certification of unit instructor qualifications to support Marine Aviation Training and Readiness and assists in developing and employing aviation weapons and tactics. (U.S. Marine Corps photograph by Lance Cpl. Adrianna R. Lincoln, 1st MARDIV COMCAM/ Released)

LANDING ZONE BULL ASSAULT, Calif. - U.S. Marine Corps Lance Cpl. Eric Fisher, motor transport operator, Marine Wing Support Squadron 371 (MWSS-371), sets up an entry control point in support of a Forward Arming Refueling Point during Weapons and Tactics Instructor (WTI) Course 2-14 April 5, 2014. (U.S. Marine Corps photograph by Capt. Keith "The Bull" Stevenson, MAWTS-1 COMCAM/Released)

YUMA, Ariz. - Students arrive and begin the check-in process for Weapons and Tactics Instructor Course 2-14 at Marine Aviation Weapons and Tactics Squadron One (MAWTS-1). See us on Facebook at Marine Aviation Weapons and Tactics Squadrone One Combat Camera. (U.S. Marine Corps photograph by Lance Cpl. Eryn L. Rudolph, 3rd MAW COMCAM/Released)

040716-A-7128J-007.An oil pipeline fire smolders as oil flows into the Tigris River near Baij, Iraq on July 16, 2004. An explosion yesterday caused the leak and subsequent fire..(U.S. Army photo by Sgt. 1st Class Chuck Joseph) (Released).

U.S. Army Rangers assigned to 3D Battalion, 75th Ranger Regiment, conduct tactical field training at Fort Knox, Ky., on April 26, 2014. The training was to ensure all Soldiers of the Battalion are proficient in warrior skills and tasks in preparation for the Regiments upcoming deployment. (U.S. Army photo by Spc. Richard DeWitt/ Released)

130806-N-BJ254-048 U.S. 5TH FLEET AREA OF RESPONSIBILITY (Aug. 6, 2013) Sailors assigned to Commander, Task Group (CTG) 56.1 conduct a dive supervisor training dive. CTG 56.1 is promoting mine countermeasures, explosive ordnance disposal, salvage-diving, and force protection for the U.S. 5th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 3rd Class Wyatt Huggett/Released)

LANDING ZONE BULL ASSAULT, Calif. - U.S. Marine Corps landing support specialists, Combat Logistics Regiment 27 (CLR-27), 2nd Marine Logistics Group, prepare a 2,000 pound water bladder for lift by a MV-22 Ospreys during Weapons and Tactic Instructor (WTI) Course 2-14 April 5, 2014. (U.S. Marine Corps photograph by Capt. Keith "The Bull" Stevenson, MAWTS-1 COMCAM/Released)

040624-A-2262B-055.US Soldiers from the 3rd Brigade Combat Team, 1st Infantry Division, secure one of the stronghold buildings going from room to room. Violence erupted in the city of Ba'qubah, Iraq, June 24, 2004. The struggle during the insurgent uprising left a death tool of approximately 15 Iraqi police officers, 2 US Soldiers, and more than 30 rebels..(U.S. Army photo by Staff Sgt. Klaus Baesu) (Released)

A U.S. Marine assigned to Force Reconnaissance Platoon, Maritime Raid Force, 26th Marine Expeditionary Unit (MEU), engages targets with his M4 Carbine from cover during an advanced marksmanship range in the 5th Fleet area of responsibility, Aug. 19, 2013. The Marines conducted the range in 115 degree heat with a full combat load to acclimate themselves to harsh desert environments. The 26th MEU is a Marine Air-Ground Task Force forward-deployed to the U.S. 5th Fleet area of responsibility aboard the Kearsarge Amphibious Ready Group serving as a sea-based, expeditionary crisis response force capable of conducting amphibious operations across the full range of military operations. (U.S. Marine Corps photo by Sgt. Christopher Q. Stone, 26th MEU Combat Camera/Released)

YUMA, Ariz. - U.S. Marine Corps Staff Sergeant Jeffery N. Bowen, CH-53 Crew Chief Instructor with Marine Aviation Weapons and Tactics Squadron One (MAWTS-1) straps down aircraft parachute flyers on board a CH-53 during exercise Battle Illumination for Weapons and Tactics Instructor (WTI) Course 2-14, March 28, 2014. WTI is a seven week training event hosted by MAWTS-1 cadre. MAWTS-1 provides standardized advanced tactical training and certification of unit instructor qualifications to support Marine Aviation Training and Readiness and assists in developing and employing aviation weapons and tactics. (U.S. Marine Corps photograph by Lance Cpl. Eryn Rudolph, 3rd MAW COMCAM/Released)

LANDING ZONE BULL ASSAULT, Calif. - U.S. Marine Corps bulk fuel operators, Marine Wing Support Squadron 371 (MWSS-371), prepare a M-970 Semi Trailer Refueler 5,000 U.S. gallon aircraft fuel dispenser in support of a Forward Arming Refueling Point during Weapons and Tactics Instructor (WTI) Course 2-14 April 5, 2014. (U.S. Marine Corps photograph by Capt. Keith "The Bull" Stevenson, MAWTS-1 COMCAM/Released)

YUMA, Ariz. - U.S. Marine Corps artillerymen, 2nd Battalion, 10th Marine Regiment, conduct an Artillery Raid with assistance from CH-53 Super Stallion helicopters in support during WTI 2-13. Marines conduct integrated Marine Air-Ground Task Force training to ensure readiness in any climb and place. -- (U.S. Marine Corps photographs by Sgt. Christopher R. Rye, 1st Marine Division COMCAM/Released)

A U.S. Marine assigned to Force Reconnaissance Platoon, Maritime Raid Force, 26th Marine Expeditionary Unit (MEU), engages targets with his M4 Carbine from cover during an advanced marksmanship range in the 5th Fleet area of responsibility, Aug. 19, 2013. The Marines conducted the range in 115 degree heat with a full combat load to acclimate themselves to harsh desert environments. The 26th MEU is a Marine Air-Ground Task Force forward-deployed to the U.S. 5th Fleet area of responsibility aboard the Kearsarge Amphibious Ready Group serving as a sea-based, expeditionary crisis response force capable of conducting amphibious operations across the full range of military operations. (U.S. Marine Corps photo by Sgt. Christopher Q. Stone, 26th MEU Combat Camera/Released)

U.S. Army Pfc. Audrequez Evans, assigned to the 55th Signal Company (COMCAM), pulls a simulated wounded teammate under an obstacle while on a lane for a Live Fire Exercise (LFX) rehearsal during a bi-annual Field Training Exercise (FTX), Fort AP Hill, Va., Sept. 26, 2015. The 55th Signal Company conducts a FTX twice a year in order to maintain tactical proficiency, as well as to develop and prepare Soldiers for the rigor of combat. (U.S. Army Photo by Sgt. 1st Class Christophe D. Paul/Released)