Advice for new military spouses

 Military life is hard. It is not for the person who isn't willing to work at it. When I met my husband we were both in the military. We met at tech school, and even though I was military before becoming "just" as spouse, it's still hard for me. That being said, I don't buy into the whole "being a spouse is the hardest job in the military" bull. Yes, being a military spouse is hard and it certainly has it's own set of challenges, but it is not a job. If you view your role as a spouse as a "job", then chances are you are doing it wrong. 
One of the main things to remember is to support your spouse. Without supports, no military marriage would work. I'm sure you are hearing a lot of things about the military not being supportive of families. I have found that to be completely untrue. Yes, your spouse may need to work on a birthday or anniversary, but when shit hits the fan, the military can be very supportive. When I got a call from the UC saying they thought my son had cancer (don't worry, he didn't), my husband was off work in the blink of an eye to be at the hospital with me. When money was tight, we received food donations from the squadron.
One thing to be prepared for is for your spouse to miss milestones. It sucks, but it part of military life. They will miss birthdays, anniversaries, possibly holidays. They may even miss pregnancies or childbirth. We can't always plan TDY's or deployments. My husband was gone for a majority of my first pregnancy and our first anniversary. This is why it's important to make friends at every base, find some positive people to have in your life. My first pregnancy I had almost no friends at the base (I worked off base, and my guard base was over an hour away) and it really took it's toll on me. Luckily I have a pretty awesome group of friends for support now. Also, get involved. It seems like there is always some event going on. There are intramural sports, spouses groups, book clubs, block parties, and so much more. Get out there!
Military schedules can be crazy. If you are lucky, your spouse has a 7:30-4:30 5 day a week job. Congrats if that is the case. In other fields some work 24 on 24 off, some work 12's on panamas and work nights or midshift. Some places may be critically manned and they may have to work more than expected. 12 hour shifts may turn into 14 hour shifts. The biggest thing is to learn to roll with the punches (I know, easier said than done). Your spouse may have to take weekend duty or work on Christmas. They may get called back in after just getting home from a 12 hour shift (especially if they are not a nonner). 
Exercises are a main stay on military bases. They happen often and the WILL disrupt your life. Be prepared to show your dependent ID just to get into the post office or bank. Be prepared to not be able to make an appointment at the clinic because of it. If you live off base and need to get on base, you will wait in a never ending line, same goes for trying to leave the base. It's annoying for sure, but complaining won't change it. Exercises are how they stay prepared.
If your spouse works with classified/sensitive intel, they won't be able to talk to you about work. It's not that they don't want to, it's that they just can't. They could get in a lot of trouble if they did. Along those lines, be mindful of what you post online and your privacy settings on social media. Know who can see what you post, a lot of terrorist groups use social media now. Know what things are ok to post and what things aren't. If you are unsure, ask your spouse. 
Try to learn the lingo, it will make things easier on you. The military is all about acronyms and abbreviations, they use them a lot and more than likely your spouse will unknowingly use them when talking to you. Know what an LES is and how to read it (Leave and Earnings Statement). Know what the MPS and DFAC are (Military personnel flight and dining facility). Know what to say when asked what your spouse's AFSC or MOS is (basically, their job title). Know what TDY is (temporary duty assignment) and PCSing is (permanent change of station). Those are some of the most commons to know. 
Make sure you keep all important documents safe and in a central location. That way in the event that you need to leave your home quickly (like a fire) you can easily grab them. Important documents include Power of Attorney, marriage certificate, social security cards, passports, orders, birth certificates, and anything else of that nature. Those are things you don't want lost or damaged. 
Know your spouses chain of command, and how to get a hold of them in case of emergency. These are the people that can quickly locate your spouse if needed. They are also the people to help you with important things while your spouse is deployed. Know who their supervisor is, who their first shirt is, and who their commander (or xo) is. It's also good to have key spouse info. These are the main people that can help you if needed.

I have included a printable below. One is for the fridge, for important names and phone numbers.