About iMessage and SMS/MMS. You can use iMessage or SMS/MMS on an iPhone, iPad, or iPod touch. If you arenât using iMessage, you can use SMS. SMS/MMS messages are texts and photos that you send to other cell phones or iOS devices. These messages appear in green text bubbles on your device. To use SMS/MMS, you need a text-messaging plan.
How Long Is Basic Training in the Marines? The United States Marine Corps is known as America's first line of defense. To become a Marine, you must be at least 17 years old at the time of enlistment and hold a high school diploma. You must also complete 12 weeks of intense training.
In the Marine Corps Reserves, the maximum age is 29 years old. In the United States Coast Guard, the maximum age allowed to enlist and ship to basic training is 27 years old.Â¹ In the Coast Guard Reserves, the maximum age is 39 years old. In the United States Coast Guard, those selected to attend A-school directly upon enlistment may be up to 32 years old; mainly for prior service members.