Assertion: spear | /r/HasProperty | a follow-on
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text: The Spear 3, a follow-on to Paveway IV and Brimstone missiles (Spear Cap 1 and 2 respectively), is a 100 kg missile under development as the primary air-to-surface weapon for the Royal Navy’s F-35B Lightning II Joint Strike Fighter and the Royal Air Force’s GR4 Typhoon aircraft.