All pages
- .500/465 Nitro Express
- 10.5 cm high explosive
- 120 mm HE
- 149 mm high explosive
- 152.4 mm high explosive
- 155 mm high explosive
- 15 cm Wgr 41
- 1842 retreat from Kabul
- 2013 Beninese coup d'état attempt
- 20 mm HE
- 20 mm HE/I
- 21 cm high explosive
- 22nd century
- 240 mm high explosive
- 25 de Mayo
- 25 mm APX modèle 1937
- 280 mm high explosive
- 3-inch HE
- 3.7 cm HE
- 305 mm high explosive
- 30 mm Breda-Mauser
- 40 mm HE
- 6-inch high explosive
- 60 mm HE
- 7.7 cm shrapnel
- 7.92 x 94 mm Patronen
- 75 mm HE
- 75 mm high explosive
- 75 mm shrapnel
- 8-inch high explosive
- 8.8 cm HE
- 8.8 cm Pzgr
- 82 mm HE
- 9K52 Luna-M
- A-13
- A-2
- A-24 Banshee
- A-3
- A-3A Skywarrior
- A-3B Skywarrior
- A-5
- A-class destroyer
- A-class submarine
- A4
- AB-3
- AB convoys
- AD-1 Skyraider
- AD-2 Skyraider
- AD-3 Skyraider
- AD-4 Skyraider
- AD-5 Skyraider
- AH convoys
- AK-107
- AN/AWG-11
- AN convoys
- AP convoys
- ARA Almirante Brown
- ARA Bouchard
- ARA Buenos Aires
- ARA Corrientes
- ARA Drummond
- ARA General Belgrano
- ARA Granville
- ARA Independencia
- ARA La Argentina
- ARA Libertad
- ARA Misiones
- ARA Parker
- ARA Patagonia
- ARA Robinson
- ARA Salta
- ARA San Juan
- ARA San Luis
- ARA Santa Cruz
- ARA Santa Fe
- ARA Santiago del Estero
- ARA Spiro
- ARA Veinticinco de Mayo
- ARC 20 de Julio
- ARC 7 de Agosto
- ARC Caldas
- ARM Durango
- ARM Guanajuato
- AS convoys
- AT convoys
- Acevedo
- Achille
- Achéron
- Aconit
- Admiral Flota Sovetskogo Soyuza Gorshkov
- Admiral Golovko
- Admiral Lazarev
- Admiral Makarov
- Admiral Nakhimov
- Admiral Ushakov
- Aegan Expedition
- Afghan Civil War
- Afonso de Albuquerque
- Agosta
- Aigle
- Aigrette
- Air-raid shelter under the castle walls
- Airborne Museum 'Hartenstein
- Ajax
- Akagi
- Akashi
- Akatsuki
- Akatsuki-class destroyer
- Akebono
- Akigumo
- Akitsushima
- Akizuki-class destroyer
- Al-Hasakah offensive
- Alagoas
- Albacore-class gunboat
- Albanian Air Force
- Albanian Kingdom
- Albatros
- Albatross-class minesweeper
- Alcide
- Aldebaran
- Aldébaran
- Alerta
- Alexander Battery
- Alexander Nevsky
- Alfonso XIII
- Algiers expedition
- Algésiras
- Almirante Cochrane
- Almirante Condell
- Almirante Lynch
- Alpino
- Alsedo
- Altair
- Amagi
- Amami
- Amatsukaze
- Amazon-class fifth-rate frigate
- Amazonas
- Amazone
- America
- Amerigo Vespucci
- Amiral Aube
- Amiral Charner
- Amphitrite
- Amur-class minelayer
- Anadyr
- Anapa
- Andrea Doria
- Andromaque
- Anglo-Spanish War
- Anita
- Ansaldo
- Antares
- Antarès
- Aotaka
- Apa
- Apollon
- Apothekerturm
- April Revolt
- Aquila
- Aquiles
- Aquilon
- Arabe
- Arago
- Arare
- Archimède
- area
- Arethusa-class light cruiser
- Argo
- Argonaute
- Argonaute-class ship of the line
- Argos
- Ariadne
- Ariake
- Ariane
- Ariete
- Arkhangelsk
- Armenian Army
- Armenian–Parthian War
- Armide
- Armscor
- Army Museum
- Arrogante
- Arromanches
- Artigliere
- Artillery Gun Module
- Artémise
- Aréthuse
- Asagiri
- Asakaze
- Asashio
- Asheville-class gunboat
- Assault on Nijmegen
- Assedio di Pavia
- Astrée
- Asía
- Atago
- Atalante
- Atrevida
- Attack on Sousse
- Aube
- Audace
- Audace-class destroyer
- Audacieux
- Audaz
- Audaz-class destroyer
- August Uprising
- Aurore
- Austrian Air Force
- Ava–Hanthawaddy War
- Aventurier
- Awaji
- Ayanami
- Ayton Castle
- Azersilah
- Azor
- Azov
- B-37
- B-5
- B-534
- B-66B Destroyer
- B-class destroyer
- B-class submarine
- BAP Aguirre
- BAP Almirante Grau
- BAP Coronel Bolognesi
- BAP Ferré
- BAP Paita
- BAP Palacios
- BB convoys
- BC-2
- BG convoys
- BK convoys
- BNS Khan Jahan Ali
- BN convoys
- BREM-84
- BS convoys
- BT-5
- BT convoys
- Bahiana
- Bahmani–Vijayanagar War
- Baleares
- Balny
- Bani Yas
- Barcelo
- Barracuda-class submarine
- Barrel bomb
- Baszta
- Baszta obronna
- Batería de Santiago
- Baton
- Battle for Vlasenica
- Battle of Aberdeen
- Battle of Abu Kru
- Battle of Abydos
- Battle of Aceh
- Battle of Achelous
- Battle of Acre
- Battle of Actium
- Battle of Ad Dali
- Battle of Adamclisi
- Battle of Aden
- Battle of Adrianople
- Battle of Adrianópolis
- Battle of Adwa
- Battle of Aghdam
- Battle of Agrigentum
- Battle of Aizenay
- Battle of Ajdabiya
- Battle of Ajristan
- Battle of Akita
- Battle of Aksu
- Battle of Al Jawf
- Battle of Al Kut
- Battle of Al Mahbes
- Battle of Alba de Tormes
- Battle of Albert
- Battle of Alcácer do Sal
- Battle of Alcántara
- Battle of Aleppo
- Battle of Alexandria
- Battle of Algiers
- Battle of Ali Masjid
- Battle of Alma
- Battle of Almenar
- Battle of Alnwick
- Battle of Altopascio
- Battle of Amara
- Battle of Amiens
- Battle of Amorgos
- Battle of Amritsar
- Battle of Anandpur
- Battle of Anchialus
- Battle of Andernach
- Battle of Andros
- Battle of Anefis
- Battle of Angostura
- Battle of Anklam
- Battle of Antioch
- Battle of Antium
- Battle of Apamea
- Battle of Arcadiopolis
- Battle of Archesh
- Battle of Arcul
- Battle of Arest
- Battle of Argentré
- Battle of Arghandab
- Battle of Arica
- Battle of Arjona
- Battle of Arklow
- Battle of Arlabán
- Battle of Arles
- Battle of Arlon
- Battle of Arnhem
- Battle of Arques
- Battle of Arras
- Battle of Arroyo Grande
- Battle of Arsal
- Battle of Ascalon
- Battle of Aschaffenburg
- Battle of Asculum
- Battle of Athens
- Battle of Attock
- Battle of Augusta
- Battle of Auray
- Battle of Autun
- Battle of Avdiivka
- Battle of Ayacucho
- Battle of Azaz
- Battle of Azukizaka
- Battle of Babylon
- Battle of Badajoz
- Battle of Baga
- Battle of Baghdad
- Battle of Baiji
- Battle of Bakhmut
- Battle of Bal'ad
- Battle of Balanjar
- Battle of Balantang
- Battle of Balikpapan
- Battle of Balkh
- Battle of Bama
- Battle of Bamberg
- Battle of Bangui