Five-seat bomber, max speed 230 mph, two Rolls-Royce Merlin X V-12 piston engines 1145hp, range 1500 miles, ceiling 26000ft, span 84ft, length 69ft 3in, height 15ft, armament one 7.7mm (0.303in) in nose and four 7.7mm (0.303in) in tail, 7000lb bomb load.  Pictured Mk V of 78 Sqn in early 1942.  Mk V entered service 1939. 

Seven-seat heavy bomber, max speed 287mph, four Rolls-Royce XXIV V-12 piston engines 1640hp, range 2530 miles, ceiling 24500ft, span 102ft, length 69ft 6in, height 20ft, armament two 7.7mm (0.303in) in nose and dorsal turret, 4 7.7mm (0.303in) in tail turret, one 22000lb bomb or up to 14000lb smaller bombs.  Pictured B.Mk I of 467 Sqn Royal Australian Airforce.  Flew 137 sorties.

Seven-seat night heavy bomber, max speed 312 mph, four Bristol Hercules 100 radial piston engines 1800hp, range 1260 miles, ceiling 24000ft, span 104ft 2in, length 71ft 7in, height 20ft 9in, armament one 7.7mm (0.303in) in nose, four 7.7mm (0.303in) in dorsal and tail turrets, 13000lb bomb load.  Pictured Mk III of 466 Sqn based at Leconfield.  The Halifax was second only to the Lancaster as a front line bomber. 

Seven/Eight-seat night heavy bomber, max speed 270mph, four Bristol Hercules XVI radial piston engines 1650hp, range 590 miles, ceiling 17000ft, span 99ft 1in, length 87ft 3in, height 22ft 9in, armament two 7.7mm (0.303in) in nose and dorsal turret and four 7.7mm (0.303in) in tail turret, 14000lb bomb load.  Pictured Mk I Series I of 7 Sqn, note that there is no dorsal turret in this version.  Obsolete by 1944.  Last raid flown by the make was September 1944. 

Six-seat night medium bomber, max speed 255mph, two Bristol Hercules XI radial piston engines 1500hp, range 1540 miles, ceiling 19000ft, span 86ft 2in, length 64ft 7in, height 17ft 5in, armament two 7.7mm (0.303in) in nose turret and four 7.7mm (0.303in) in tail turret, two 7.7mm (0.303in) in beam positions, 4500lb bomb load.  Pictured is a MK III of 425 (Alouette) Sqn RCAF from Dishforth.  First flew June 1936 and entered service October 1938.  Last bomb raid by Wellingtons took place in October 1943. 

Ten-seat daylight heavy/medium bomber, max speed 287mph, four Wright Cyclone R-1820-97 radial piston engines 1200hp, range 2000 miles, ceiling 35600ft, span 103ft 9in, length 74ft 9in, height 19ft 1in, armament twin 12.7mm (0.5in) under nose, aft of cockpit, under central fuselage an in tail, single 12.7mm (0.5in) in sides of nose, radio operator's hatch, beam positions, 17600lb bomb load.  Pictured B-17F-10 BO of 322 Sqn of 91st Bomb Group based at Bassingbourn Cambs.  Markings as at Spring 1943.  Note that the B-17F has no under nose turret.  This turret added in the B-17G as aircraft were vunerable to head on attacks. 

Eight/Ten-seat daylight heavy/medium bomber, max speed 290mph, four Pratt & Whitney R-1830-65 radial piston engines 1200hp, range 2000 miles, ceiling 28000ft, span 110ft, length 67ft 2in, height 18ft, armament twin 12.7mm (0.5in) in nose, tail, aft of cockpit and under central fuselage, single 12.7mm (0.5in) in beam positions, 8800lb bomb load.  Pictured is a RAF Liberator flown from India.  Liberators were the most built American aircraft of the and the most built 4-engined aircraft ever.  This excellent aircraft was over shadowed by the more famous B-17, but was as good as or better than a B-17.

Ten-seat heavy strategic bomber. max speed 358mph, four Wright R-3350-57 radial piston engines 2200hp, range 4100 miles, ceiling 31800ft, span 142ft 3in, length 99ft, height 29ft 7in, armament four-gun 12.7mm (0.5in) over nose, two-gun 12.7mm (0.5in) under nose, under and over rear fuselage, one 2omm and two 12.77mm (0.5in) in tail, 20000lb bomb load.  Entered service about October 1943.  With the first raids from India in early 1944.  The aircraft used remote controlled turrets. 

Seven-seat land-based naval bomber, max speed 272mph, two Mitsubishi MK4P Kasei 21 radial piston engines 1800hp, range 3765 miles, ceiling 29365ft, span 82ft 0.25in, length 67ft 7.375in, height 19ft 8.25in, armament two 7.7mm (0.303in) Type 92 MGs in nose, one 7.7mm (0.303in) Type 92 MGs in side blisters, one 20mm Type 99 cannon in dorsal and tail turret, 2205lb of bombs or one 1764lb torpedo.  Pictured is a G4M3 and flew with Yokosuka Kokutai, Atsugi.  Prototype first flew October 1939.

Four-seat bomber/torpedo bomber, max speed 255mph, two M-88B radial piston engines 1100hp, range 1616 miles, ceiling 32810ft, span 70ft 4.25in, length 48ft 6.5in, height 13ft 5.in, armament single 12.7mm (0.5in) UBT MGs in nose, dorsal and ventral positions, 2205lb bomb load or three 1102 torpedoes.  Produced between 1937 and 1944.  

Five-seat medium bomber, max speed 271mph, two Junkers Jumo 211F inverted V-12 piston engines 1350hp, range 1212 miles, ceiling 21980ft, span 74ft 1.75in, length 53ft 9.5in, height 13ft 1.25in, armament one 20mm MG FF cannon in nose, one 13mm (0.51in) MG 131 in dorsal position, two 7.92mm (0.31in) MG 15 in rear ventral gondola and two 7.92mm (0.31in) MG81 in beam positions, 4409lb internal and 4409lb external bomb load.  Pictures is a He-111H-6 of KG26.  First flew February 1935.  This was the main bomber of the Luftwaffe with many sub variants produced.

Six-seat heavy bomber, max speed 303 mph, two Daimler-Benz DB610A-1/B-1 paired inverted V-12 piston engines 2950hp, range 3418 miles, ceiling 26245ft, span 103ft 1.75in, length 66ft 11.75in, span 20ft 11.75in, armament one 7.92mm (0.31in) MG 81 in nose, one 13mm (0.51in) MG 131 in forward dorsal and rear dorsal turret, and rear ventral gondola, one 20mm MG FF cannon in front ventral gondola and tail turret, 13228lb bombs or two Hs 293 missiles.  Started operational trials July 1942.  This type would have carried the German atomic bomb.

Four-seat bomber, max speed 348mph, two Daimler-Benz DB 603A inverted V-12 piston engines 1750hp, range 1555 miles, ceiling 31180ft, span 62ft 4in, length 55ft 9.25in, height 16ft 3.5in, armament eight 7.92mm (0.31in) MG 81 and two 13mm (0.51in) MG 131, up to 8818lb bomb load.  Pictured Do 217E-2 of KG2 9.Staffel 1941.  First flew August 1938.    The Do 217E entered operation service March 1941.

Four-seat medium/dive bomber, max speed 280mph, two Junkers Jumo 211J-1 or 211J-2 inverted V-12 piston engines 1340hp, range 1696 miles, ceiling 26900ft, span 65ft 7.5in, length 47ft 2.33in, height 15ft 11in, armament up to seven 7.92mm (0.31in) MG 15 or MG 81 and an external-external 7935lb bomb load .  Pictured Ju 88A-4 of I/KG54 "Totenkopf" based in Italy September 1943 with disruptive white streaking over the standard Mediterranean camouflage.  Entered operation service about August 1939. Many late in the war were converted to be the explosive component of the Mistel composite aircraft.