Ah.... "Project Green Salad"... Google it !!!
The question is how many converted 707's do they have it total....
Israeli Boeing 707 tanker fleet. There is now an eigth 707 in service since I compiled the following list.
Serial 140
http://www.airliners.net/photo/Israel-—Air/Boeing-707-329/1036674/L/
Serial 248
http://www.airliners.net/photo/Israel-—Air/Boeing-707-331C(KC)/1100059/L/
Serial 250
http://www.airliners.net/photo/Israel-—Air/Boeing-707-331C(KC)/1364441/L/
Serial 260
http://www.airliners.net/photo/Israel-—Air/Boeing-707-3J6B(KC)/1493473/L/
Serial 264
http://www.airliners.net/photo/Israel-—Air/Boeing-707-3J6C(KC)/1456652/L/
http://www.airliners.net/photo/Israel-—Air/Boeing-707-3J6C/1240844/L/
Serial 275
http://www.airliners.net/photo/Israel-—Air/Boeing-707-3P1C(KC)/1215110/L/
Serial 290
http://www.airliners.net/photo/Israel-—Air/Boeing-707-3W6C(KC)/1179421/L/