You can get Get to Work Pay or Get you Home Pay depending if your inlier or outlier. Can be quite a decent amount depending on your location.
Also, don't look just purely at salary. At unit you're fairly likely to deploy overseas at least once a year. That can be a great saving opportunity, especially when LSA and LOA is taken onto account.
Last year for example I took home about 2k more than my actual salary. That would have been a mixture of LSA, LOA and expenses.
Also, as I'm sure you're aware each year you jump up an increment level and therefore your pay increases annually regardless of promotion.