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.
This is why Marine boot camp, without a doubt, is the most rigorous and challenging, both physically and mentally, than basic training programs of all the other military branches. New recruits are also required to study and memorize an extreme amount of information, including: 1  Basic drill and ceremony.  USMC Rank.