. Must be defect free Most at risk during in flight fueling High maintenance $ million (F-117) Affected by weather conditions Reason for B-2 Bomber stationed only in USA References | Radar Absorbing Materials Stealth Technology By Esteban Hernandez . Radar Absorbing Material (.) Plessey Company (1940’s) moved from Ilford to Caswell House during WW II . Materials carbon fiber composites magnetic ferrite-based substance RAM reduces the radar cross section making the object appear smaller . Problems Must be defect free Most at risk during in flight fueling High maintenance $ million (F-117) Affected by weather conditions Reason for B-2 Bomber stationed only in USA Future of . F-22 Raptor Radar Absorbing Alloy (Classified) Canopy; Radar Absorbing Glass (contains a copper alloy) Radar Absorbing Paint along the leading edges References . | Radar Absorbing Materials Stealth Technology By Esteban Hernandez . Radar Absorbing Material (.) Plessey Company (1940’s) moved from Ilford to Caswell House during WW II . Materials carbon fiber composites magnetic ferrite-based substance RAM reduces the radar cross section making the object appear smaller . Problems Must be defect free Most at risk during in flight fueling High maintenance $ million (F-117) Affected by weather conditions Reason for B-2 Bomber stationed only in USA Future of . F-22 Raptor Radar Absorbing Alloy (Classified) Canopy; Radar Absorbing Glass (contains a copper alloy) Radar Absorbing Paint along the leading edges References | Radar Absorbing Materials Stealth Technology By Esteban Hernandez . Radar Absorbing Material (.) Plessey Company (1940’s) moved from Ilford to Caswell House during WW II . Materials carbon fiber composites magnetic ferrite-based substance RAM reduces the radar cross section making the object appear smaller . Problems Must be defect free Most at risk during in flight fueling High maintenance $ million (F-117) Affected by weather conditions Reason for B-2 Bomber stationed only in USA Future of . F-22 Raptor Radar Absorbing Alloy (Classified) Canopy; Radar Absorbing Glass (contains a copper alloy) Radar Absorbing Paint along the leading edges References . | Radar Absorbing Materials Stealth Technology By Esteban Hernandez . Radar Absorbing Material (.) Plessey Company (1940’s) moved from Ilford to Caswell House during WW II . Materials carbon fiber composites magnetic ferrite-based substance RAM reduces the radar cross section making the object appear smaller . Problems Must be defect free Most at risk during in flight fueling High maintenance $ million (F-117) Affected by weather conditions Reason for B-2 Bomber stationed only in USA Future of . F-22 Raptor Radar Absorbing Alloy (Classified) Canopy; Radar Absorbing Glass (contains a copper alloy) Radar Absorbing Paint along the leading edges References