Bars: Officers in the lower pay grades wear bars. Officers at the O-1 pay grade wear one gold bar, O-2 wear one silver bar, O-3 wear two silver bars and warrant officers wear striped bars.
The "blood stripe" is found on the outside seams of the dress uniform trousers of NCOs, SNCOs, and officers. Tradition holds that it represents the high casualty rates of those leaders during the Battle of Chapultepec. Officers wearing the Evening Dress uniform also have additional gold trim on the trouser stripe.
One of the main uses for the color bar is to denote time served or a specific geographic location.
Second Lieutenant
Second Lieutenants are the entry-level rank for Marine Corps officers. They typically lead platoons of enlisted Marines and are responsible for their training, welfare, and performance. The insignia is a single gold bar.
Together, the Eagle, Globe, and Anchor symbolize our commitment to defend our nation and advance its ideals for us all.
The service uniforms include Alphas, Bravos and Charlies. The dress blues uniforms include Alphas, Bravos, Charlies and Deltas. There are three field uniforms including Combat Utility, Flight Suit and Mountain Warfare.
Service Stripes
Each stripe, or "hash mark," usually represents four years of service.
SERGEANT MAJOR OF THE MARINE CORPS – the senior enlisted Marine of the entire Corps, personally selected by the commandant.
The insignia for the rank consists of two silver bars, with slight stylized differences between the Army/Air Force version and the Marine Corps version. U.S. Army, U.S. Marine Corps, U.S. Air Force, and U.S. Space Force insignia of the rank of captain. Style and method of wear vary between the services.
The Marine Raider Regiment (MRR), formerly known as the Marine Special Operations Regiment (MSOR), is a special operations force of the United States Marine Corps, which is a part of Marine Corps Special Operations Command (MARSOC).
Three chevrons
This is the senior enlisted soldier within a platoon or troop, acting as a second-in-command. Some also have specialist roles. In the Household Cavalry, the title corporal of horse is used.
Criteria: A service stripe, commonly called a hash mark, is a decoration of the United States military which is presented to members of the U.S. military to denote length of service. The United States Marine Corps awards each stripe for four years of duty.
It most commonly indicates the campaign or operation the recipient received the award for, and multiple bars on the same medal are used to indicate that the recipient has met the criteria for receiving the medal in multiple theatres. A United States World War I Victory Medal, with five medal bars.
Marine Corps uniform regulations prohibit Marines from appearing or participating in any event in public that would compromise the dignity of the uniform.
The phrase “jarheads” is also a slang phrase used by sailors when referring to Marines. The term first appeared as early as World War II and referred to Marines' appearance wearing their dress blue uniforms. The high collar on the uniform and the Marines' head popping out of the top resembled a Mason Jar.
1. Marine Corps - The Marine Corps is often considered the toughest branch of the military both physically and mentally. It has the most rigorous basic training, known as boot camp, which lasts 13 weeks. Marines are trained not only physically but also mentally, to have a "first to fight" mindset.
In the U.S. Navy a commodore is ranked above a captain and below a rear admiral; the designation has usually been used only in wartime.
E-6, staff sergeant
To become a staff sergeant, you must have four years TIS and 24 months TIG.
Gunnery sergeants are commonly referred to by the informal abbreviation "Gunny" or "Guns". These nicknames, which are usually regarded as titles of both esteem and camaraderie, are generally acceptable for use in all but formal and ceremonial situations.
SECURITY FORCES
Security Force duty is among the most challenging the Corps offers, and Marines who take on this opportunity must be highly-trained in advanced security procedures.
NOTE 4: There has never been an O-11 "five-star" General rank thus far in the Marine Corps, though such a rank could theoretically be created at any time by an act of Congress. Currently, no officer in any branch of the U.S. military holds such a grade.
Raiders and Force RECON teams
The Marine Corps has two primary special operations forces: the Marine Raiders and the Force RECON units. As part of the Special Operations Command, the Marine Raiders run small lethal teams to eliminate targets.
The trouser material is made of cotton fibers that swell when wet and can hold air. In the event of a sailor falling overboard or having to abandon ship without a life vest, the bell-bottomed trousers can be quickly removed in the water without having to remove footwear.
When entering or exiting a vehicle, the junior ranking Soldier is the first to enter, and the senior in rank is the first to exit. When outdoors and approached by an NCO, you greet the NCO by saying, “Good morning, Sergeant,” for example.