http://www.ecra.info/start.php  Home Page of the European Cartridge Research Association

http://www.cartridgecollectors.org/ Home page of the International Ammunition Association

http://www.rkba.org/guns/principles/ principles of operation of firearms

http://people.howstuffworks.com/machine-gun.htm  descriptions of how machine guns work

http://sst.benchrest.com/  various ballistics programmes including a recoil calculator

http://www.norma.cc/htm_files/javapagee.htm Norma ballistics calculator

http://cartridgecollectors.org/headstampcodes.htm IAA headstamp codes for small-calibre cartridges

http://web.ukonline.co.uk/stephen.johnson/arms/ Treatise on British ammunition and ordnance 1880-1960

http://world.guns.ru/  Max Popenker's excellent site on modern firearms and ammunition.

http://www.geocities.com/russianammo/ Russian ammunition 12.7-57mm: very detailed

http://www.milparade.com/catalog2001/catalog2001.shtml modern Russian arms and ammunition catalogue

http://www.munavia-21.org/ French site on WW2 ammunition, with a French emphasis

http://freespace.virgin.net/ordnance.society/index.htm the website of the Ordnance Society

http://www.military-info.com/MPHOTO/P110.htm copies of US military ammunition manuals for sale

http://www.conjay.com/Collectors.htm Conjay Arms Co's catalogues for purchasing collectors' ammunition

http://www.ammo-oracle.com/  All you could ever want to know about the 5.56x45 NATO ammunition

http://www.globalsecurity.org/military/systems/munitions/ammo.htm lists of current military ammunition

http://www.moetz.a10.at  details of books on Austrian military cartridges

http://www.cartridge-corner.com Curtis Steinhauer's site for ammunition collectors

http://ankkurinvarsi.com/jaeger/LIBRARY_MAINPAGE.shtml Jarkko Vihavainen's site on Finnish weapons and ammunition.

http://www.mtek.chalmers.se/~m95perm/vapen/kanon/  Mats Persson's site on Swedish guns 20+mm

http://medlem.spray.se/coonan/eframe3.html Swedish military ammunition

http://members.tripod.com/~nigelef/index.htm British artillery in WW2

http://www.dragonsoffire.com/ Japanese automatic weapons

http://www.inert-ord.net/ site of an ordnance collector

http://www.wapahani.com/look.html details of experimental post-WW2 small arms

http://www.teppojutsu.com/products.htm some current US military specialist rifle and ammunition projects

http://www.fas.org/index.html the Federation of American Scientists site, which contains much detail on current US weapons

http://www.globalsecurity.org/military/systems/index.html Global Security site, as above

http://www.dtic.mil/ndia/  Index of downloadable presentations from the US National Defense Industries Association conferences

http://www.accuratereloading.com/ commercial cartridge reloading data

http://ammoguide.com/ cartridge identification guide

General Military

http://www.hkkk.fi/~yrjola/war/ Finnish military site

http://metalab.unc.edu/pha/index.html WW2 source material index

http://www.defense-aerospace.com/ news and information about current defence issues

http://www.strategypage.com/ as above, but with a more subjective slant

http://www.chuckhawks.com/index.html Chuck Hawks' homepage, including links to pages on firearms, naval, aviation and military history

http://www.sinodefence.com/default.asp Chinese Defence Today - with details of equipment

Aircraft + Armament

http://www.geocities.com/CapeCanaveral/Hangar/8217/fgun/fgun-in.html Emmanuel Gustin's fighter gun website

http://prodocs.netfirms.com/ downloadable Public Record Office documents on WW2 weapon and ammunition tests

http://www.canit.se/~griffon/aviation/text/sv_akan.html Urban Fredriksson's site on Swedish aircraft cannon.

http://www.skomer.u-net.com/projects/start.htm Chris Gibson's site on United Kingdom postwar aerospace projects (including guns!)

http://home.att.net/~C.C.Jordan/ CC Jordan's Planes and Pilots of WW2 site

http://www.aviation.ru/ Russian aviation site

http://www.acig.org/ comprehensive lists of post-WW2 aircraft successes in combat

htpp://www.battleofbritainpress.co.uk/index.html Battle of Britain site

http://aeroweb.lucia.it:80/~agretch/RAP.html Russian aviation site, with many links

http://www.cloudnet.com/~djohnson/ 'Gunfighter's' site on the F-8 Crusader

http://incolor.inetnebr.com/iceman/ Butch Lottman's site on US Army attack helicopters

http://gunsagogo.org/ Frank White's site on the ACH-47 'Guns A Go-Go'

AFVs + Armament

http://salts.britwar.co.uk/mod.php?mod=fileman&menu=8  John Salt's collections of data concerning such matters as the armour penetration of WW2 tank guns, weapon effectiveness etc.

http://www.battlefield.ru/library/archives/weapons/weapons6.html  WW2 Soviet and Allied tank guns AP performance

http://homepage.ntlworld.com/bob_mackenzie/Armour%20Values.htm armour values for WW2 tanks

Warships + Armament

http://www.warships1.com/ Warships1 site, containing detailed naval equipment information

DISCUSSION GROUP SITES

Guns + Ammunition

http://forums.delphiforums.com/autogun/messages/ the author's site for discussion of all topic relating to military guns and ammunition, with much information about aircraft armament in particular

http://www.cartridgecollectors.org/f/forum.php IAA cartridge collectors' forum

http://www.gunboards.com/forums/ Gunboards forum, concentrating on small arms for collectors.

http://www.ar15.com/forums/index.html AR15.com site, with various forums mainly covering military rifles and ammunition.

http://www.thehighroad.org/forumdisplay.php?s=&forumid=6 The High Road, discussions on rifles, military and civilian

http://www.accuratereloading.com/ubbthreads/ubbthreads.php AccurateReloading site - mainly civilian rifles + ammo but some military also

http://213.147.167.60/blaze/index.php the return of the German WW2 ammo site (mostly in German)

General Military

http://groups.google.com/groups?hl=en&safe=off&group=sci.military.moderated Sci.military.moderated forum on Google

http://forum.axishistory.com/index.php?sid=9273bffe15ea4362621a165986b92384 Axis History, but covers wider topics also

Aircraft + Armament

http://www.j-aircraft.com/

http://disc.server.com/Indices/181285.html  Central and East European aviation history forum

http://disc.server.com/Indices/3051.html Luftwaffe and Allied air forces discussion group

http://www.theaerodrome.com/forum/  First World War aviation

http://www.acig.org/forum/ air combat discussion group (post WW2)

AFVs + Armament

http://63.99.108.76/cgi-bin/ubbcgi/Ultimate.cgi

http://www.activevr.com/afv/cgi_bin/web-bbs/webbbs_config.pl AFV news - much modern US expertise in particular

Warships + Armament

http://pub165.ezboard.com/bwarships1discussionboards

And below is another great list of military support sites I got from my good friend Ken here in Bangkok:

Please find a good list of troop support web sites at:
http://www.komando.com/supporttroops.asp#J

AAFES Gift Certificates
http://www.aafes.com/docs/homefront.htm
The Army and Air Force Exchange Services is where most servicemen and women do their shopping. You can purchase gift certificates for those in Iraq and those hospitalized.
Adopt a Platoon
http://www.adoptaplatoon.org/
Adopt a Platoon has several ongoing projects to ensure that every soldier overseas does not walk away from mail call empty-handed.
AnySoldier
http://www.anysoldier.us/index.cfm
Any Soldier is a non-profit organization that helps people send care packages to members of the armed services in Iraq.
Appreciate Our Troops
http://www.appreciateourtroops.org
Purchase a Support Our Troops mug and a free personalized mug will be given to a current or former service member.
Blue Star Mothers
http://www.bluestarmothers.org
The Blue Star Mothers was founded by service members' moms during World War II. Any mother with a son or daughter in the military can join.
Books For Soldiers
http://www.booksforsoldiers.com/
Help the troops escape boredom by donating some books. You can also donate DVDs and CDs requested by soldiers.
Camp Doha
http://www.campdoha.org/
Camp Doha provides valuable information for those about to deploy, their friends and families and anyone who wants to support the troops.
Cell Phones for Soldiers
http://www.cellphonesforsoldiers.com/pages/1/index.htm
Donated cell phones are recycled and turned into cash. The cash is used to purchase calling cards for soldiers in Iraq.
Defend America
http://www.defendamerica.mil/nmam.html
Thank any service member stationed throughout the U.S. and the world with an e-mail.
Fisher House
http://www.fisherhouse.org/
The Fisher House Foundation donates comfort homes, built on the grounds of major military and VA medical centers. These homes enable family members to be close to a loved one during hospitalization for an unexpected illness, disease, or injury.
Freedom Calls
http://www.freedomcalls.org/
The Freedom Calls Foundation is helping families videoconference with their loved ones in Iraq. You can donate money to help keep this project going.
Groceries for Families
http://www.commissaries.com/certificheck/
The men and women who lay down their lives for us are terribly underpaid. Help a family by purchasing gift certificates to the commissary.
Homes for Our Troops
http://www.homesforourtroops.org/
Homes for Our Troops assists injured veterans and their immediate families by building new or adapting existing homes with handicapped accessibility.
Intrepid Fallen Heroes Fund
http://www.intrepidmuseum.org/foundation_heroesfund.html
The Intrepid Fallen Heroes Fund provides grants to the families of servicemen and women who died in Iraq. You can donate online, through mail or by calling a toll-free number.
Military Moms
http://www.militarymoms.net/index.html
This site provides support to all of the moms out there who has a son or daughter in the military.
Operation Air Conditioner
http://www.operationac.com/
Operation Air Conditioner provides not only air conditioners but space heaters (the desert is cold in the winter) for soldiers in Iraq and Afghanistan.
Operation Call Home
http://www.platoonphone.com/
Operation Call Home's mission is to provide each platoon with their own satellite phone.
Operation Dear Abby
http://anyservicemember.navy.mil/
The U.S. Navy and Dear Abby have teamed up. Their site allows you to send e-mail messages of support to service members.
Operation Give
http://www.operationgive.org/
Operation Give provides toys, clothing and school supplies primarily to the children of Iraq and Afghanistan.
Operation Hero Miles
http://www.heromiles.org/
You can donate your unused frequent flier miles to help soldiers travel on emergency leave. They are also used to help families fly to hospitalized soldiers.
Operation Iraqi Children
http://www.operationiraqichildren.org/
Many soldiers are rebuilding schools in Iraq and scrounging around for school supplies. Help by donating a school supplies kit.
Operation Military Pride
http://operationmilitarypride.org
Operation Military Pride is a volunteer organization that sends cards letters and care packages to troops.
Operation Uplink
http://www.operationuplink.org/
Donate money to Operation Uplink. The money is used to purchase phone cards so servicemen and women can call home.
Soldiers' Angels
http://www.soldiersangels.org/heroes/index.php
Become some soldier's angel by adopting a service member.
Treats for Troops
http://www.treatsfortroops.com/
Treats for Troops helps get you provide packages to your loved ones overseas. If you don't know anyone, the Foster-A-Soldier Program matches you with a registered soldier by branch of service, home state, gender, or birthday - or you can choose to sponsor a group of soldiers.
USO Cares
http://www.usocares.org/
You can sponsor care packages provided by the USO with a $25 donation.
Voice from Home
http://voicesfromhome.org/home.html
Voices From Home allows military members and their families and friends to send and receive immediate voice e-mail messages in remote locations around the world.