How to get a Spanish-American War file

Index first, then the jacket, then the pension

• Find him in the national indexThe General Index to the compiled service records for the War with Spain (National Archives microfilm M871) covers every state and territory, and it is digitized on Fold3, Ancestry and FamilySearch. Search his name; the card will confirm he served and name his regiment and company. That unit designation is what everything else depends on, so write it down exactly as the card gives it.
• Understand what you just foundAn index card is a pointer, not a record. It is one line: a name, a unit, sometimes a rank. If a website hands you that and calls it a service record, it is not being straight with you. The jacket it points to is a folder of muster rolls and descriptive cards, and that is the document worth reading.
• Check whether your state's jackets are onlineSome states' 1898 service records have been digitized in full and some have not. Florida's are (National Archives microfilm M1087, on Fold3 and Ancestry). For most other states only the index has been filmed for the web, and select files here and there. Search Fold3 for your soldier's state plus 1898 and see what the collection actually contains before you assume.
• If the jacket isn't online, order it from the National ArchivesThe compiled service record is a federal record in Record Group 94, and you order it through eservices.archives.gov. Give them his full name, his state, and the regiment and company from the index card. The index card is the thing that makes this order go smoothly, which is why it is step one.
• The pension is a separate orderA soldier of 1898 could claim under the general pension law from the year of his service, and Congress added a service pension in 1920 for the veterans of that war. Those claims are indexed alongside the Civil War pension applications, so the same National Archives order path finds them. It is a second order and a second file, and for a man who came home it is usually the one with the family in it.

If there are no battles in it, that is the record being accurate

Most of the men who volunteered in 1898 never left the United States. The fighting ended in August, before many regiments finished training, and what happened to those men happened in the camps: sick reports, pay and clothing accounts, months of drill, and muster-out. Far more American soldiers died of disease that year than of Spanish fire. So a jacket with no engagements in it is not a thin record or a lost one. It is the ordinary shape of that war, and a report worth having says so rather than leaving you to wonder what is missing.

Then the reading starts

The jacket tells you who he was and where the army kept him; the pension file, if he lived to file one, tells you about the family. Here is what our report does with these records, and the waitlist below holds today's price for you.

What the trip costs, start to finish

The index card is the cheap, fast part: minutes on Fold3, free at most public libraries. If your state's jackets are digitized, the service record costs you nothing more and the report is $35 a few days later. If they are not, the jacket is a National Archives order with their copy fee and mail weeks attached, and the pension file is a second order on the same terms. Start any archives order first and read while you wait, because the ordering is the long half of this and the reading is the short one.