Fact #1: The Bone carries the largest payload of both guided and unguided munitions in the entire United States Air Force Inventory.

Fact #2: The B-1B’s speed and handling characteristics are more like a fighter, allowing it to seamlessly integrate into large force strike packages.

A Rockwell (Boeing) B-1B Lancer moves into position behind a KC-135 to take on fuel.

A Rockwell (Boeing) B-1B Lancer moves into position behind a KC-135 to take on fuel.

Fact #3: The Synthetic Aperture Radar aboard the B-1 is capable of tracking, targeting, and engaging moving vehicles, and features both terrain-following and self-targeting modes.

Fact #4: The B-1A was initially developed in the 1970s as a replacement for the B-52.

A B-1B from the 412 TW at Edwards AFB conducts a high-speed flyby during an airshow.

A B-1B from the 412 TW at Edwards AFB conducts a high-speed flyby during an airshow.

Fact #5: The B-1A’s top speed was in excess of Mach 2.

Fact #6: The B-1B holds almost 50 world records for speed, payload, range, and time of climb in its class.

A Bone takes off in full blower during Mission Employment Phase of Weapons School.

A Bone takes off in full blower during Mission Employment Phase of Weapons School.

Fact #7: The first B-1B was delivered to Dyess Air Force Base in June 1985. The final B-1B was delivered May 2, 1988.

Fact #8: The B-1B was first used in combat in Operation Desert Fox in December 1998.

A Boeing B-1B sits on the ramp at Nellis AFB during sunrise.

A Boeing B-1B sits on the ramp at Nellis AFB during sunrise.

Fact #9: In 1999, six B-1s were used in Operation Allied Force, delivering more than 20 percent of the total ordnance while flying less than 2 percent of the combat sorties.

Fact #10: During the first six months of Operation Enduring Freedom in Afghanistan, eight Lancers dropped nearly 40 percent of the total ordnance delivered by coalition air forces. This included nearly 3,900 JDAMs, or 67 percent of the total.

A Boeing B-1B from the 28 BW at Ellsworth AFB, South Dakota drops off the tanker and returns to the fight.

A Boeing B-1B from the 28 BW at Ellsworth AFB, South Dakota drops off the tanker and returns to the fight.

First flight Dec. 23, 1974
Span 137 feet (extended), 79 feet (swept aft)
Length 146 feet
Height 34 feet
Gross weight 477,000 pounds
Power plant Four 30,000-plus-pound-thrust General Electric F-101-GE-102 turbofan engines with afterburners
Speed Mach 1.2 at sea level
Crew Four
Operating altitude 30,000-plus feet
Armament Up to 84 Mark 82 conventional 500-pounds bombs, or 30 CBU-87/89/97, or 24 JDAMS, or can be reconfigured for wide range of nuclear bombs