Test firing of 30.5-Inch Bombardment Aircraft Rocket (BOAR), sans warhead, 1955; one of the earliest rockets designed to carry a nuclear warhead (Mk 7), BOAR was developed by NOTS as an interim weapon with a planned service use of 3 years, but the 30.5-Inch Rocket Mk 1 was deployed in 1956 and remained in the Fleet until 1963.