Ages of Servicemen when serving in a War

https://www.familysearch.org/wiki/en/Ages_of_Servicemen_in_Wars

Ages of men serving in wars Worldwide- Current

https://en.wikipedia.org/wiki/List_of_enlistment_age_by_country

Where Records might be found:

Online: Subsciption

Ancestry-Subscription

Find My Past-Subscription

Online-Free:

Google

https://google.com

Family Tree Magazine- Best Military Websites

https://www.familytreemagazine.com/best-military-records-websites/

Fold 3- Subscription- BUT free through most Texas library websites

Heritage Quest- Access through your local public library website

Family Search-Totally Free, but you need to register- Use the WIKI

https://www.familysearch.org/wiki/en/United_States_Military_Records

Cyndislist.com- Links Only: Military Worldwide, plus by name of war

https://cyndislist.com/categories/

Rootsweb.com – Military

https://sites.rootsweb.com/~rootswebsiteindex/

Access Genealogy-

Military Records

Heritage/Lineage Societies:

https://en.wikipedia.org/wiki/List_of_hereditary_and_lineage_organizations

State and Local Archives, Libraries, etc

https://www.familysearch.org/wiki/en/United_States_Archives_and_Libraries

Branches of United States Armed Forces

https://en.wikipedia.org/wiki/United_States_Armed_Forces

US Army:

https://en.wikipedia.org/wiki/United_States_Army

US Navy:

https://www.history.navy.mil/browse-by-topic/commemorations-toolkits/navy-birthday/OriginsNavy/the-birth-of-the-navy-of-the-united-states.html

US Coast Guard:

https://en.wikipedia.org/wiki/United_States_Coast_Guard

US Air Force:

https://en.wikipedia.org/wiki/History_of_the_United_States_Air_Force

US Marines:

https://en.wikipedia.org/wiki/United_States_Marine_Corps

US Space Force:

https://en.wikipedia.org/wiki/United_States_Space_Force

Military Academies of the United States:

https://en.wikipedia.org/wiki/United_States_service_academies

Military Research Centers:

https://www.loc.gov/vets/bib-milihist.html

Finding Service Records:

https://www.loc.gov/vets/bib-factsheet.html

Books and Websites about the Military:

https://www.loc.gov/vets/bib-factsheet.html

Using Libraries:

https://www.loc.gov/vets/bib-library.html

World Cat- (World Catalogue)

https://www.oclc.org/en/worldcat.html

National Archives Records Centers:

https://www.archives.gov/locations

Some Types of Military Records Useful to Genealogical Researchers

Conscription-Draft-Selective Service

Officer Appointments and Commissions

Enlistments

Muster Rolls

Other Lists and Rosters

Payrolls

Returns

Correspondence

Battle Reports and Events

Court-Martial Cases and Deserters

Prisoner of War Records

Casualties and Deaths

Medical Reports and Lists

Photographs

Deck Logs

War Diaries

Historical and Manuscript Collections

Pensions

Bounty-Lands

Bonuses and Family Assistance

Soldiers Homes

Burials

Civilian Affairs