You would receive your husband's pension since you are the designated beneficiary.  If your husband has a Will, that provision could also be included in the Will.  If your husband died without a Will, the rules of intestate succession determine inheritance.  Intestate means dying without a Will.  Since you would be the surviving spouse, you would inherit your husband's entire estate under intestate succession.  If you predecease your husband, your son would inherit your husband's entire estate.