Can I still receive part of my husband's pension if we divorce in another state?

You get half the pension. Hire a lawyer.

Husband is giving you a line. As long as State B says the pension is divisible normally state B doesn't look at where it was earned. Ask the Husband for documents reflecting what he says and then speak with an attorney.

I have no idea and do not practice law in State A or State B, I practice law only in Florida, and that is what this question is tagged with. In Florida his pension was acquired during the marriage and is a marital asset.

Without knowing what states you're talking about, it's rather impossible to answer your question specifically. Generally, if you have been living as husband and wife in Florida for more than 6 months, Florida will generally have jurisdiction over your divorce. In FL, you may be eligible for one or more types of alimony, including permanent alimony, depending on the facts of your case. Additionally, FL is an equitable distribution state, so you would generally each be entitled to presumptively half of the marital assets and liabilities, which would generally include half of the marital portion of the retirement benefits. However, certain police officer and firefighter pensions are exempt from Qualified Domestic Relations Orders issued by the family court in a divorce case, but there are other ways to compensate you for your half interest in the marital portion of his pension. Consult with an attorney to discuss the specifics of your situation and your options.

It will certainly depend upon the laws of the other State, however, I would say your chances are very good that you will be entitled to 1/2 of your spouses pension. Good luck.